Mercurial > repos > chrisb > gap_all_glycan_tools
diff extract_display_features/dashboard/html_js.py @ 0:89592faa2875 draft
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| author | chrisb |
|---|---|
| date | Wed, 23 Mar 2016 14:35:56 -0400 |
| parents | |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/extract_display_features/dashboard/html_js.py Wed Mar 23 14:35:56 2016 -0400 @@ -0,0 +1,20739 @@ +__license__ = "MIT" + +# test if local js dashboard will work + +if __name__ == "__main__": + import sys + + try: + inone = file(sys.argv[1],"read").readlines() + out = file(sys.argv[2],"w") + output=""" +<!DOCTYPE html> +<html lang="en"> +<head> + <title>dc.js - Number Display Example</title> + <meta charset="UTF-8"> +</head> +<style> +div.dc-chart { + float: left; +} + +.dc-chart rect.bar { + stroke: none; + cursor: pointer; +} + +.dc-chart rect.bar:hover { + fill-opacity: .5; +} + +.dc-chart rect.stack1 { + stroke: none; + fill: red; +} + +.dc-chart rect.stack2 { + stroke: none; + fill: green; +} + +.dc-chart rect.deselected { + stroke: none; + fill: #ccc; +} + +.dc-chart .empty-chart .pie-slice path { + fill: #FFEEEE; + cursor: default; +} + +.dc-chart .empty-chart .pie-slice { + cursor: default; +} + +.dc-chart .pie-slice { + fill: white; + font-size: 12px; + cursor: pointer; +} + +.dc-chart .pie-slice.external{ + fill: black; +} + +.dc-chart .pie-slice :hover { + fill-opacity: .8; +} + +.dc-chart .pie-slice.highlight { + fill-opacity: .8; +} + +.dc-chart .selected path { + stroke-width: 3; + stroke: #ccc; + fill-opacity: 1; +} + +.dc-chart .deselected path { + stroke: none; + fill-opacity: .5; + fill: #ccc; +} + +.dc-chart .axis path, .axis line { + fill: none; + stroke: #000; + shape-rendering: crispEdges; +} + +.dc-chart .axis text { + font: 10px sans-serif; +} + +.dc-chart .grid-line { + fill: none; + stroke: #ccc; + opacity: .5; + shape-rendering: crispEdges; +} + +.dc-chart .grid-line line { + fill: none; + stroke: #ccc; + opacity: .5; + shape-rendering: crispEdges; +} + +.dc-chart .brush rect.background { + z-index: -999; +} + +.dc-chart .brush rect.extent { + fill: steelblue; + fill-opacity: .125; +} + +.dc-chart .brush .resize path { + fill: #eee; + stroke: #666; +} + +.dc-chart path.line { + fill: none; + stroke-width: 1.5px; +} + +.dc-chart circle.dot { + stroke: none; +} + +.dc-chart g.dc-tooltip path { + fill: none; + stroke: grey; + stroke-opacity: .8; +} + +.dc-chart path.area { + fill-opacity: .3; + stroke: none; +} + +.dc-chart .node { + font-size: 0.7em; + cursor: pointer; +} + +.dc-chart .node :hover { + fill-opacity: .8; +} + +.dc-chart .selected circle { + stroke-width: 3; + stroke: #ccc; + fill-opacity: 1; +} + +.dc-chart .deselected circle { + stroke: none; + fill-opacity: .5; + fill: #ccc; +} + +.dc-chart .bubble { + stroke: none; + fill-opacity: 0.6; +} + +.dc-data-count { + float: right; + margin-top: 15px; + margin-right: 15px; +} + +.dc-data-count .filter-count { + color: #3182bd; + font-weight: bold; +} + +.dc-data-count .total-count { + color: #3182bd; + font-weight: bold; +} + +.dc-data-table { +} + +.dc-chart g.state { + cursor: pointer; +} + +.dc-chart g.state :hover { + fill-opacity: .8; +} + +.dc-chart g.state path { + stroke: white; +} + +.dc-chart g.selected path { +} + +.dc-chart g.deselected path { + fill: grey; +} + +.dc-chart g.selected text { +} + +.dc-chart g.deselected text { + display: none; +} + +.dc-chart g.county path { + stroke: white; + fill: none; +} + +.dc-chart g.debug rect { + fill: blue; + fill-opacity: .2; +} + +.dc-chart g.row rect { + fill-opacity: 0.8; + cursor: pointer; +} + +.dc-chart g.row rect:hover { + fill-opacity: 0.6; +} + +.dc-chart g.row text { + fill: white; + font-size: 12px; + cursor: pointer; +} + +.dc-legend { + font-size: 11px; +} + +.dc-legend-item { + cursor: pointer; +} + +.dc-chart g.axis text { + /* Makes it so the user can't accidentally click and select text that is meant as a label only */ + -webkit-user-select: none; /* Chrome/Safari */ + -moz-user-select: none; /* Firefox */ + -ms-user-select: none; /* IE10 */ + -o-user-select: none; + user-select: none; + pointer-events: none; +} + +.dc-chart path.highlight { + stroke-width: 3; + fill-opacity: 1; + stroke-opacity: 1; +} + +.dc-chart .highlight { + fill-opacity: 1; + stroke-opacity: 1; +} + +.dc-chart .fadeout { + fill-opacity: 0.2; + stroke-opacity: 0.2; +} + +.dc-chart path.dc-symbol, g.dc-legend-item.fadeout { + fill-opacity: 0.5; + stroke-opacity: 0.5; +} + +.dc-hard .number-display { + float: none; +} + +.dc-chart .box text { + font: 10px sans-serif; + -webkit-user-select: none; /* Chrome/Safari */ + -moz-user-select: none; /* Firefox */ + -ms-user-select: none; /* IE10 */ + -o-user-select: none; + user-select: none; + pointer-events: none; +} + +.dc-chart .box line, +.dc-chart .box circle { + fill: #fff; + stroke: #000; + stroke-width: 1.5px; +} + +.dc-chart .box rect { + stroke: #000; + stroke-width: 1.5px; +} + +.dc-chart .box .center { + stroke-dasharray: 3,3; +} + +.dc-chart .box .outlier { + fill: none; + stroke: #ccc; +} + +.dc-chart .box.deselected .box { + fill: #ccc; +} + +.dc-chart .box.deselected { + opacity: .5; +} + +.dc-chart .symbol{ + stroke: none; +} + +.dc-chart .heatmap .box-group.deselected rect { + stroke: none; + fill-opacity: .5; + fill: #ccc; +} + +.dc-chart .heatmap g.axis text { + pointer-events: all; + cursor: pointer; +} + +</style> +<body> + +<div id="chart-bar-ring"></div> +<div id="chart-row-pdb"></div> + + +<script> +!function() { + var d3 = { + version: "3.5.2" + }; + if (!Date.now) Date.now = function() { + return +new Date(); + }; + var d3_arraySlice = [].slice, d3_array = function(list) { + return d3_arraySlice.call(list); + }; + var d3_document = document, d3_documentElement = d3_document.documentElement, d3_window = window; + try { + d3_array(d3_documentElement.childNodes)[0].nodeType; + } catch (e) { + d3_array = function(list) { + var i = list.length, array = new Array(i); + while (i--) array[i] = list[i]; + return array; + }; + } + try { + d3_document.createElement("div").style.setProperty("opacity", 0, ""); + } catch (error) { + var d3_element_prototype = d3_window.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; + d3_element_prototype.setAttribute = function(name, value) { + d3_element_setAttribute.call(this, name, value + ""); + }; + d3_element_prototype.setAttributeNS = function(space, local, value) { + d3_element_setAttributeNS.call(this, space, local, value + ""); + }; + d3_style_prototype.setProperty = function(name, value, priority) { + d3_style_setProperty.call(this, name, value + "", priority); + }; + } + d3.ascending = d3_ascending; + function d3_ascending(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + } + d3.descending = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; + }; + d3.min = function(array, f) { + var i = -1, n = array.length, a, b; + if (arguments.length === 1) { + while (++i < n) if ((b = array[i]) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = array[i]) != null && a > b) a = b; + } else { + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b; + } + return a; + }; + d3.max = function(array, f) { + var i = -1, n = array.length, a, b; + if (arguments.length === 1) { + while (++i < n) if ((b = array[i]) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = array[i]) != null && b > a) a = b; + } else { + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b; + } + return a; + }; + d3.extent = function(array, f) { + var i = -1, n = array.length, a, b, c; + if (arguments.length === 1) { + while (++i < n) if ((b = array[i]) != null && b >= b) { + a = c = b; + break; + } + while (++i < n) if ((b = array[i]) != null) { + if (a > b) a = b; + if (c < b) c = b; + } + } else { + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { + a = c = b; + break; + } + while (++i < n) if ((b = f.call(array, array[i], i)) != null) { + if (a > b) a = b; + if (c < b) c = b; + } + } + return [ a, c ]; + }; + function d3_number(x) { + return x === null ? NaN : +x; + } + function d3_numeric(x) { + return !isNaN(x); + } + d3.sum = function(array, f) { + var s = 0, n = array.length, a, i = -1; + if (arguments.length === 1) { + while (++i < n) if (d3_numeric(a = +array[i])) s += a; + } else { + while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a; + } + return s; + }; + d3.mean = function(array, f) { + var s = 0, n = array.length, a, i = -1, j = n; + if (arguments.length === 1) { + while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j; + } else { + while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j; + } + if (j) return s / j; + }; + d3.quantile = function(values, p) { + var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h; + return e ? v + e * (values[h] - v) : v; + }; + d3.median = function(array, f) { + var numbers = [], n = array.length, a, i = -1; + if (arguments.length === 1) { + while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a); + } else { + while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a); + } + if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5); + }; + d3.variance = function(array, f) { + var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0; + if (arguments.length === 1) { + while (++i < n) { + if (d3_numeric(a = d3_number(array[i]))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } + } else { + while (++i < n) { + if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } + } + if (j > 1) return s / (j - 1); + }; + d3.deviation = function() { + var v = d3.variance.apply(this, arguments); + return v ? Math.sqrt(v) : v; + }; + function d3_bisector(compare) { + return { + left: function(a, x, lo, hi) { + if (arguments.length < 3) lo = 0; + if (arguments.length < 4) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid; + } + return lo; + }, + right: function(a, x, lo, hi) { + if (arguments.length < 3) lo = 0; + if (arguments.length < 4) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1; + } + return lo; + } + }; + } + var d3_bisect = d3_bisector(d3_ascending); + d3.bisectLeft = d3_bisect.left; + d3.bisect = d3.bisectRight = d3_bisect.right; + d3.bisector = function(f) { + return d3_bisector(f.length === 1 ? function(d, x) { + return d3_ascending(f(d), x); + } : f); + }; + d3.shuffle = function(array, i0, i1) { + if ((m = arguments.length) < 3) { + i1 = array.length; + if (m < 2) i0 = 0; + } + var m = i1 - i0, t, i; + while (m) { + i = Math.random() * m-- | 0; + t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t; + } + return array; + }; + d3.permute = function(array, indexes) { + var i = indexes.length, permutes = new Array(i); + while (i--) permutes[i] = array[indexes[i]]; + return permutes; + }; + d3.pairs = function(array) { + var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ]; + return pairs; + }; + d3.zip = function() { + if (!(n = arguments.length)) return []; + for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) { + for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) { + zip[j] = arguments[j][i]; + } + } + return zips; + }; + function d3_zipLength(d) { + return d.length; + } + d3.transpose = function(matrix) { + return d3.zip.apply(d3, matrix); + }; + d3.keys = function(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; + }; + d3.values = function(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; + }; + d3.entries = function(map) { + var entries = []; + for (var key in map) entries.push({ + key: key, + value: map[key] + }); + return entries; + }; + d3.merge = function(arrays) { + var n = arrays.length, m, i = -1, j = 0, merged, array; + while (++i < n) j += arrays[i].length; + merged = new Array(j); + while (--n >= 0) { + array = arrays[n]; + m = array.length; + while (--m >= 0) { + merged[--j] = array[m]; + } + } + return merged; + }; + var abs = Math.abs; + d3.range = function(start, stop, step) { + if (arguments.length < 3) { + step = 1; + if (arguments.length < 2) { + stop = start; + start = 0; + } + } + if ((stop - start) / step === Infinity) throw new Error("infinite range"); + var range = [], k = d3_range_integerScale(abs(step)), i = -1, j; + start *= k, stop *= k, step *= k; + if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k); + return range; + }; + function d3_range_integerScale(x) { + var k = 1; + while (x * k % 1) k *= 10; + return k; + } + function d3_class(ctor, properties) { + for (var key in properties) { + Object.defineProperty(ctor.prototype, key, { + value: properties[key], + enumerable: false + }); + } + } + d3.map = function(object, f) { + var map = new d3_Map(); + if (object instanceof d3_Map) { + object.forEach(function(key, value) { + map.set(key, value); + }); + } else if (Array.isArray(object)) { + var i = -1, n = object.length, o; + if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o); + } else { + for (var key in object) map.set(key, object[key]); + } + return map; + }; + function d3_Map() { + this._ = Object.create(null); + } + var d3_map_proto = "__proto__", d3_map_zero = "\x00"; + d3_class(d3_Map, { + has: d3_map_has, + get: function(key) { + return this._[d3_map_escape(key)]; + }, + set: function(key, value) { + return this._[d3_map_escape(key)] = value; + }, + remove: d3_map_remove, + keys: d3_map_keys, + values: function() { + var values = []; + for (var key in this._) values.push(this._[key]); + return values; + }, + entries: function() { + var entries = []; + for (var key in this._) entries.push({ + key: d3_map_unescape(key), + value: this._[key] + }); + return entries; + }, + size: d3_map_size, + empty: d3_map_empty, + forEach: function(f) { + for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]); + } + }); + function d3_map_escape(key) { + return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key; + } + function d3_map_unescape(key) { + return (key += "")[0] === d3_map_zero ? key.slice(1) : key; + } + function d3_map_has(key) { + return d3_map_escape(key) in this._; + } + function d3_map_remove(key) { + return (key = d3_map_escape(key)) in this._ && delete this._[key]; + } + function d3_map_keys() { + var keys = []; + for (var key in this._) keys.push(d3_map_unescape(key)); + return keys; + } + function d3_map_size() { + var size = 0; + for (var key in this._) ++size; + return size; + } + function d3_map_empty() { + for (var key in this._) return false; + return true; + } + d3.nest = function() { + var nest = {}, keys = [], sortKeys = [], sortValues, rollup; + function map(mapType, array, depth) { + if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array; + var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values; + while (++i < n) { + if (values = valuesByKey.get(keyValue = key(object = array[i]))) { + values.push(object); + } else { + valuesByKey.set(keyValue, [ object ]); + } + } + if (mapType) { + object = mapType(); + setter = function(keyValue, values) { + object.set(keyValue, map(mapType, values, depth)); + }; + } else { + object = {}; + setter = function(keyValue, values) { + object[keyValue] = map(mapType, values, depth); + }; + } + valuesByKey.forEach(setter); + return object; + } + function entries(map, depth) { + if (depth >= keys.length) return map; + var array = [], sortKey = sortKeys[depth++]; + map.forEach(function(key, keyMap) { + array.push({ + key: key, + values: entries(keyMap, depth) + }); + }); + return sortKey ? array.sort(function(a, b) { + return sortKey(a.key, b.key); + }) : array; + } + nest.map = function(array, mapType) { + return map(mapType, array, 0); + }; + nest.entries = function(array) { + return entries(map(d3.map, array, 0), 0); + }; + nest.key = function(d) { + keys.push(d); + return nest; + }; + nest.sortKeys = function(order) { + sortKeys[keys.length - 1] = order; + return nest; + }; + nest.sortValues = function(order) { + sortValues = order; + return nest; + }; + nest.rollup = function(f) { + rollup = f; + return nest; + }; + return nest; + }; + d3.set = function(array) { + var set = new d3_Set(); + if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]); + return set; + }; + function d3_Set() { + this._ = Object.create(null); + } + d3_class(d3_Set, { + has: d3_map_has, + add: function(key) { + this._[d3_map_escape(key += "")] = true; + return key; + }, + remove: d3_map_remove, + values: d3_map_keys, + size: d3_map_size, + empty: d3_map_empty, + forEach: function(f) { + for (var key in this._) f.call(this, d3_map_unescape(key)); + } + }); + d3.behavior = {}; + d3.rebind = function(target, source) { + var i = 1, n = arguments.length, method; + while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]); + return target; + }; + function d3_rebind(target, source, method) { + return function() { + var value = method.apply(source, arguments); + return value === source ? target : value; + }; + } + function d3_vendorSymbol(object, name) { + if (name in object) return name; + name = name.charAt(0).toUpperCase() + name.slice(1); + for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { + var prefixName = d3_vendorPrefixes[i] + name; + if (prefixName in object) return prefixName; + } + } + var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; + function d3_noop() {} + d3.dispatch = function() { + var dispatch = new d3_dispatch(), i = -1, n = arguments.length; + while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); + return dispatch; + }; + function d3_dispatch() {} + d3_dispatch.prototype.on = function(type, listener) { + var i = type.indexOf("."), name = ""; + if (i >= 0) { + name = type.slice(i + 1); + type = type.slice(0, i); + } + if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); + if (arguments.length === 2) { + if (listener == null) for (type in this) { + if (this.hasOwnProperty(type)) this[type].on(name, null); + } + return this; + } + }; + function d3_dispatch_event(dispatch) { + var listeners = [], listenerByName = new d3_Map(); + function event() { + var z = listeners, i = -1, n = z.length, l; + while (++i < n) if (l = z[i].on) l.apply(this, arguments); + return dispatch; + } + event.on = function(name, listener) { + var l = listenerByName.get(name), i; + if (arguments.length < 2) return l && l.on; + if (l) { + l.on = null; + listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); + listenerByName.remove(name); + } + if (listener) listeners.push(listenerByName.set(name, { + on: listener + })); + return dispatch; + }; + return event; + } + d3.event = null; + function d3_eventPreventDefault() { + d3.event.preventDefault(); + } + function d3_eventSource() { + var e = d3.event, s; + while (s = e.sourceEvent) e = s; + return e; + } + function d3_eventDispatch(target) { + var dispatch = new d3_dispatch(), i = 0, n = arguments.length; + while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); + dispatch.of = function(thiz, argumentz) { + return function(e1) { + try { + var e0 = e1.sourceEvent = d3.event; + e1.target = target; + d3.event = e1; + dispatch[e1.type].apply(thiz, argumentz); + } finally { + d3.event = e0; + } + }; + }; + return dispatch; + } + d3.requote = function(s) { + return s.replace(d3_requote_re, "\\$&"); + }; + var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + var d3_subclass = {}.__proto__ ? function(object, prototype) { + object.__proto__ = prototype; + } : function(object, prototype) { + for (var property in prototype) object[property] = prototype[property]; + }; + function d3_selection(groups) { + d3_subclass(groups, d3_selectionPrototype); + return groups; + } + var d3_select = function(s, n) { + return n.querySelector(s); + }, d3_selectAll = function(s, n) { + return n.querySelectorAll(s); + }, d3_selectMatcher = d3_documentElement.matches || d3_documentElement[d3_vendorSymbol(d3_documentElement, "matchesSelector")], d3_selectMatches = function(n, s) { + return d3_selectMatcher.call(n, s); + }; + if (typeof Sizzle === "function") { + d3_select = function(s, n) { + return Sizzle(s, n)[0] || null; + }; + d3_selectAll = Sizzle; + d3_selectMatches = Sizzle.matchesSelector; + } + d3.selection = function() { + return d3_selectionRoot; + }; + var d3_selectionPrototype = d3.selection.prototype = []; + d3_selectionPrototype.select = function(selector) { + var subgroups = [], subgroup, subnode, group, node; + selector = d3_selection_selector(selector); + for (var j = -1, m = this.length; ++j < m; ) { + subgroups.push(subgroup = []); + subgroup.parentNode = (group = this[j]).parentNode; + for (var i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + subgroup.push(subnode = selector.call(node, node.__data__, i, j)); + if (subnode && "__data__" in node) subnode.__data__ = node.__data__; + } else { + subgroup.push(null); + } + } + } + return d3_selection(subgroups); + }; + function d3_selection_selector(selector) { + return typeof selector === "function" ? selector : function() { + return d3_select(selector, this); + }; + } + d3_selectionPrototype.selectAll = function(selector) { + var subgroups = [], subgroup, node; + selector = d3_selection_selectorAll(selector); + for (var j = -1, m = this.length; ++j < m; ) { + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j))); + subgroup.parentNode = node; + } + } + } + return d3_selection(subgroups); + }; + function d3_selection_selectorAll(selector) { + return typeof selector === "function" ? selector : function() { + return d3_selectAll(selector, this); + }; + } + var d3_nsPrefix = { + svg: "http://www.w3.org/2000/svg", + xhtml: "http://www.w3.org/1999/xhtml", + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" + }; + d3.ns = { + prefix: d3_nsPrefix, + qualify: function(name) { + var i = name.indexOf(":"), prefix = name; + if (i >= 0) { + prefix = name.slice(0, i); + name = name.slice(i + 1); + } + return d3_nsPrefix.hasOwnProperty(prefix) ? { + space: d3_nsPrefix[prefix], + local: name + } : name; + } + }; + d3_selectionPrototype.attr = function(name, value) { + if (arguments.length < 2) { + if (typeof name === "string") { + var node = this.node(); + name = d3.ns.qualify(name); + return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name); + } + for (value in name) this.each(d3_selection_attr(value, name[value])); + return this; + } + return this.each(d3_selection_attr(name, value)); + }; + function d3_selection_attr(name, value) { + name = d3.ns.qualify(name); + function attrNull() { + this.removeAttribute(name); + } + function attrNullNS() { + this.removeAttributeNS(name.space, name.local); + } + function attrConstant() { + this.setAttribute(name, value); + } + function attrConstantNS() { + this.setAttributeNS(name.space, name.local, value); + } + function attrFunction() { + var x = value.apply(this, arguments); + if (x == null) this.removeAttribute(name); else this.setAttribute(name, x); + } + function attrFunctionNS() { + var x = value.apply(this, arguments); + if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x); + } + return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant; + } + function d3_collapse(s) { + return s.trim().replace(/\s+/g, " "); + } + d3_selectionPrototype.classed = function(name, value) { + if (arguments.length < 2) { + if (typeof name === "string") { + var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1; + if (value = node.classList) { + while (++i < n) if (!value.contains(name[i])) return false; + } else { + value = node.getAttribute("class"); + while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false; + } + return true; + } + for (value in name) this.each(d3_selection_classed(value, name[value])); + return this; + } + return this.each(d3_selection_classed(name, value)); + }; + function d3_selection_classedRe(name) { + return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g"); + } + function d3_selection_classes(name) { + return (name + "").trim().split(/^|\s+/); + } + function d3_selection_classed(name, value) { + name = d3_selection_classes(name).map(d3_selection_classedName); + var n = name.length; + function classedConstant() { + var i = -1; + while (++i < n) name[i](this, value); + } + function classedFunction() { + var i = -1, x = value.apply(this, arguments); + while (++i < n) name[i](this, x); + } + return typeof value === "function" ? classedFunction : classedConstant; + } + function d3_selection_classedName(name) { + var re = d3_selection_classedRe(name); + return function(node, value) { + if (c = node.classList) return value ? c.add(name) : c.remove(name); + var c = node.getAttribute("class") || ""; + if (value) { + re.lastIndex = 0; + if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name)); + } else { + node.setAttribute("class", d3_collapse(c.replace(re, " "))); + } + }; + } + d3_selectionPrototype.style = function(name, value, priority) { + var n = arguments.length; + if (n < 3) { + if (typeof name !== "string") { + if (n < 2) value = ""; + for (priority in name) this.each(d3_selection_style(priority, name[priority], value)); + return this; + } + if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name); + priority = ""; + } + return this.each(d3_selection_style(name, value, priority)); + }; + function d3_selection_style(name, value, priority) { + function styleNull() { + this.style.removeProperty(name); + } + function styleConstant() { + this.style.setProperty(name, value, priority); + } + function styleFunction() { + var x = value.apply(this, arguments); + if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority); + } + return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant; + } + d3_selectionPrototype.property = function(name, value) { + if (arguments.length < 2) { + if (typeof name === "string") return this.node()[name]; + for (value in name) this.each(d3_selection_property(value, name[value])); + return this; + } + return this.each(d3_selection_property(name, value)); + }; + function d3_selection_property(name, value) { + function propertyNull() { + delete this[name]; + } + function propertyConstant() { + this[name] = value; + } + function propertyFunction() { + var x = value.apply(this, arguments); + if (x == null) delete this[name]; else this[name] = x; + } + return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant; + } + d3_selectionPrototype.text = function(value) { + return arguments.length ? this.each(typeof value === "function" ? function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + } : value == null ? function() { + this.textContent = ""; + } : function() { + this.textContent = value; + }) : this.node().textContent; + }; + d3_selectionPrototype.html = function(value) { + return arguments.length ? this.each(typeof value === "function" ? function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + } : value == null ? function() { + this.innerHTML = ""; + } : function() { + this.innerHTML = value; + }) : this.node().innerHTML; + }; + d3_selectionPrototype.append = function(name) { + name = d3_selection_creator(name); + return this.select(function() { + return this.appendChild(name.apply(this, arguments)); + }); + }; + function d3_selection_creator(name) { + return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? function() { + return this.ownerDocument.createElementNS(name.space, name.local); + } : function() { + return this.ownerDocument.createElementNS(this.namespaceURI, name); + }; + } + d3_selectionPrototype.insert = function(name, before) { + name = d3_selection_creator(name); + before = d3_selection_selector(before); + return this.select(function() { + return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null); + }); + }; + d3_selectionPrototype.remove = function() { + return this.each(d3_selectionRemove); + }; + function d3_selectionRemove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); + } + d3_selectionPrototype.data = function(value, key) { + var i = -1, n = this.length, group, node; + if (!arguments.length) { + value = new Array(n = (group = this[0]).length); + while (++i < n) { + if (node = group[i]) { + value[i] = node.__data__; + } + } + return value; + } + function bind(group, groupData) { + var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData; + if (key) { + var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue; + for (i = -1; ++i < n; ) { + if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) { + exitNodes[i] = node; + } else { + nodeByKeyValue.set(keyValue, node); + } + keyValues[i] = keyValue; + } + for (i = -1; ++i < m; ) { + if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { + enterNodes[i] = d3_selection_dataNode(nodeData); + } else if (node !== true) { + updateNodes[i] = node; + node.__data__ = nodeData; + } + nodeByKeyValue.set(keyValue, true); + } + for (i = -1; ++i < n; ) { + if (nodeByKeyValue.get(keyValues[i]) !== true) { + exitNodes[i] = group[i]; + } + } + } else { + for (i = -1; ++i < n0; ) { + node = group[i]; + nodeData = groupData[i]; + if (node) { + node.__data__ = nodeData; + updateNodes[i] = node; + } else { + enterNodes[i] = d3_selection_dataNode(nodeData); + } + } + for (;i < m; ++i) { + enterNodes[i] = d3_selection_dataNode(groupData[i]); + } + for (;i < n; ++i) { + exitNodes[i] = group[i]; + } + } + enterNodes.update = updateNodes; + enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode; + enter.push(enterNodes); + update.push(updateNodes); + exit.push(exitNodes); + } + var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]); + if (typeof value === "function") { + while (++i < n) { + bind(group = this[i], value.call(group, group.parentNode.__data__, i)); + } + } else { + while (++i < n) { + bind(group = this[i], value); + } + } + update.enter = function() { + return enter; + }; + update.exit = function() { + return exit; + }; + return update; + }; + function d3_selection_dataNode(data) { + return { + __data__: data + }; + } + d3_selectionPrototype.datum = function(value) { + return arguments.length ? this.property("__data__", value) : this.property("__data__"); + }; + d3_selectionPrototype.filter = function(filter) { + var subgroups = [], subgroup, group, node; + if (typeof filter !== "function") filter = d3_selection_filter(filter); + for (var j = 0, m = this.length; j < m; j++) { + subgroups.push(subgroup = []); + subgroup.parentNode = (group = this[j]).parentNode; + for (var i = 0, n = group.length; i < n; i++) { + if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { + subgroup.push(node); + } + } + } + return d3_selection(subgroups); + }; + function d3_selection_filter(selector) { + return function() { + return d3_selectMatches(this, selector); + }; + } + d3_selectionPrototype.order = function() { + for (var j = -1, m = this.length; ++j < m; ) { + for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } + } + return this; + }; + d3_selectionPrototype.sort = function(comparator) { + comparator = d3_selection_sortComparator.apply(this, arguments); + for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator); + return this.order(); + }; + function d3_selection_sortComparator(comparator) { + if (!arguments.length) comparator = d3_ascending; + return function(a, b) { + return a && b ? comparator(a.__data__, b.__data__) : !a - !b; + }; + } + d3_selectionPrototype.each = function(callback) { + return d3_selection_each(this, function(node, i, j) { + callback.call(node, node.__data__, i, j); + }); + }; + function d3_selection_each(groups, callback) { + for (var j = 0, m = groups.length; j < m; j++) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) { + if (node = group[i]) callback(node, i, j); + } + } + return groups; + } + d3_selectionPrototype.call = function(callback) { + var args = d3_array(arguments); + callback.apply(args[0] = this, args); + return this; + }; + d3_selectionPrototype.empty = function() { + return !this.node(); + }; + d3_selectionPrototype.node = function() { + for (var j = 0, m = this.length; j < m; j++) { + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + var node = group[i]; + if (node) return node; + } + } + return null; + }; + d3_selectionPrototype.size = function() { + var n = 0; + d3_selection_each(this, function() { + ++n; + }); + return n; + }; + function d3_selection_enter(selection) { + d3_subclass(selection, d3_selection_enterPrototype); + return selection; + } + var d3_selection_enterPrototype = []; + d3.selection.enter = d3_selection_enter; + d3.selection.enter.prototype = d3_selection_enterPrototype; + d3_selection_enterPrototype.append = d3_selectionPrototype.append; + d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; + d3_selection_enterPrototype.node = d3_selectionPrototype.node; + d3_selection_enterPrototype.call = d3_selectionPrototype.call; + d3_selection_enterPrototype.size = d3_selectionPrototype.size; + d3_selection_enterPrototype.select = function(selector) { + var subgroups = [], subgroup, subnode, upgroup, group, node; + for (var j = -1, m = this.length; ++j < m; ) { + upgroup = (group = this[j]).update; + subgroups.push(subgroup = []); + subgroup.parentNode = group.parentNode; + for (var i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j)); + subnode.__data__ = node.__data__; + } else { + subgroup.push(null); + } + } + } + return d3_selection(subgroups); + }; + d3_selection_enterPrototype.insert = function(name, before) { + if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); + return d3_selectionPrototype.insert.call(this, name, before); + }; + function d3_selection_enterInsertBefore(enter) { + var i0, j0; + return function(d, i, j) { + var group = enter[j].update, n = group.length, node; + if (j != j0) j0 = j, i0 = 0; + if (i >= i0) i0 = i + 1; + while (!(node = group[i0]) && ++i0 < n) ; + return node; + }; + } + d3.select = function(node) { + var group = [ typeof node === "string" ? d3_select(node, d3_document) : node ]; + group.parentNode = d3_documentElement; + return d3_selection([ group ]); + }; + d3.selectAll = function(nodes) { + var group = d3_array(typeof nodes === "string" ? d3_selectAll(nodes, d3_document) : nodes); + group.parentNode = d3_documentElement; + return d3_selection([ group ]); + }; + var d3_selectionRoot = d3.select(d3_documentElement); + d3_selectionPrototype.on = function(type, listener, capture) { + var n = arguments.length; + if (n < 3) { + if (typeof type !== "string") { + if (n < 2) listener = false; + for (capture in type) this.each(d3_selection_on(capture, type[capture], listener)); + return this; + } + if (n < 2) return (n = this.node()["__on" + type]) && n._; + capture = false; + } + return this.each(d3_selection_on(type, listener, capture)); + }; + function d3_selection_on(type, listener, capture) { + var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener; + if (i > 0) type = type.slice(0, i); + var filter = d3_selection_onFilters.get(type); + if (filter) type = filter, wrap = d3_selection_onFilter; + function onRemove() { + var l = this[name]; + if (l) { + this.removeEventListener(type, l, l.$); + delete this[name]; + } + } + function onAdd() { + var l = wrap(listener, d3_array(arguments)); + onRemove.call(this); + this.addEventListener(type, this[name] = l, l.$ = capture); + l._ = listener; + } + function removeAll() { + var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match; + for (var name in this) { + if (match = name.match(re)) { + var l = this[name]; + this.removeEventListener(match[1], l, l.$); + delete this[name]; + } + } + } + return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll; + } + var d3_selection_onFilters = d3.map({ + mouseenter: "mouseover", + mouseleave: "mouseout" + }); + d3_selection_onFilters.forEach(function(k) { + if ("on" + k in d3_document) d3_selection_onFilters.remove(k); + }); + function d3_selection_onListener(listener, argumentz) { + return function(e) { + var o = d3.event; + d3.event = e; + argumentz[0] = this.__data__; + try { + listener.apply(this, argumentz); + } finally { + d3.event = o; + } + }; + } + function d3_selection_onFilter(listener, argumentz) { + var l = d3_selection_onListener(listener, argumentz); + return function(e) { + var target = this, related = e.relatedTarget; + if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) { + l.call(target, e); + } + }; + } + var d3_event_dragSelect = "onselectstart" in d3_document ? null : d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0; + function d3_event_dragSuppress() { + var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); + if (d3_event_dragSelect) { + var style = d3_documentElement.style, select = style[d3_event_dragSelect]; + style[d3_event_dragSelect] = "none"; + } + return function(suppressClick) { + w.on(name, null); + if (d3_event_dragSelect) style[d3_event_dragSelect] = select; + if (suppressClick) { + var off = function() { + w.on(click, null); + }; + w.on(click, function() { + d3_eventPreventDefault(); + off(); + }, true); + setTimeout(off, 0); + } + }; + } + d3.mouse = function(container) { + return d3_mousePoint(container, d3_eventSource()); + }; + var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0; + function d3_mousePoint(container, e) { + if (e.changedTouches) e = e.changedTouches[0]; + var svg = container.ownerSVGElement || container; + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) { + svg = d3.select("body").append("svg").style({ + position: "absolute", + top: 0, + left: 0, + margin: 0, + padding: 0, + border: "none" + }, "important"); + var ctm = svg[0][0].getScreenCTM(); + d3_mouse_bug44083 = !(ctm.f || ctm.e); + svg.remove(); + } + if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, + point.y = e.clientY; + point = point.matrixTransform(container.getScreenCTM().inverse()); + return [ point.x, point.y ]; + } + var rect = container.getBoundingClientRect(); + return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ]; + } + d3.touch = function(container, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches; + if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return d3_mousePoint(container, touch); + } + } + }; + d3.behavior.drag = function() { + var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_behavior_dragMouseSubject, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_behavior_dragTouchSubject, "touchmove", "touchend"); + function drag() { + this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); + } + function dragstart(id, position, subject, move, end) { + return function() { + var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject()).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(), position0 = position(parent, dragId); + if (origin) { + dragOffset = origin.apply(that, arguments); + dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; + } else { + dragOffset = [ 0, 0 ]; + } + dispatch({ + type: "dragstart" + }); + function moved() { + var position1 = position(parent, dragId), dx, dy; + if (!position1) return; + dx = position1[0] - position0[0]; + dy = position1[1] - position0[1]; + dragged |= dx | dy; + position0 = position1; + dispatch({ + type: "drag", + x: position1[0] + dragOffset[0], + y: position1[1] + dragOffset[1], + dx: dx, + dy: dy + }); + } + function ended() { + if (!position(parent, dragId)) return; + dragSubject.on(move + dragName, null).on(end + dragName, null); + dragRestore(dragged && d3.event.target === target); + dispatch({ + type: "dragend" + }); + } + }; + } + drag.origin = function(x) { + if (!arguments.length) return origin; + origin = x; + return drag; + }; + return d3.rebind(drag, event, "on"); + }; + function d3_behavior_dragTouchId() { + return d3.event.changedTouches[0].identifier; + } + function d3_behavior_dragTouchSubject() { + return d3.event.target; + } + function d3_behavior_dragMouseSubject() { + return d3_window; + } + d3.touches = function(container, touches) { + if (arguments.length < 2) touches = d3_eventSource().touches; + return touches ? d3_array(touches).map(function(touch) { + var point = d3_mousePoint(container, touch); + point.identifier = touch.identifier; + return point; + }) : []; + }; + var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π; + function d3_sgn(x) { + return x > 0 ? 1 : x < 0 ? -1 : 0; + } + function d3_cross2d(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); + } + function d3_acos(x) { + return x > 1 ? 0 : x < -1 ? π : Math.acos(x); + } + function d3_asin(x) { + return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x); + } + function d3_sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; + } + function d3_cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; + } + function d3_tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); + } + function d3_haversin(x) { + return (x = Math.sin(x / 2)) * x; + } + var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; + d3.interpolateZoom = function(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2]; + var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ; + function interpolate(t) { + var s = t * S; + if (dr) { + var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); + return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; + } + return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ]; + } + interpolate.duration = S * 1e3; + return interpolate; + }; + d3.behavior.zoom = function() { + var view = { + x: 0, + y: 0, + k: 1 + }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1; + function zoom(g) { + g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted); + } + zoom.event = function(g) { + g.each(function() { + var dispatch = event.of(this, arguments), view1 = view; + if (d3_transitionInheritId) { + d3.select(this).transition().each("start.zoom", function() { + view = this.__chart__ || { + x: 0, + y: 0, + k: 1 + }; + zoomstarted(dispatch); + }).tween("zoom:zoom", function() { + var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]); + return function(t) { + var l = i(t), k = dx / l[2]; + this.__chart__ = view = { + x: cx - l[0] * k, + y: cy - l[1] * k, + k: k + }; + zoomed(dispatch); + }; + }).each("interrupt.zoom", function() { + zoomended(dispatch); + }).each("end.zoom", function() { + zoomended(dispatch); + }); + } else { + this.__chart__ = view; + zoomstarted(dispatch); + zoomed(dispatch); + zoomended(dispatch); + } + }); + }; + zoom.translate = function(_) { + if (!arguments.length) return [ view.x, view.y ]; + view = { + x: +_[0], + y: +_[1], + k: view.k + }; + rescale(); + return zoom; + }; + zoom.scale = function(_) { + if (!arguments.length) return view.k; + view = { + x: view.x, + y: view.y, + k: +_ + }; + rescale(); + return zoom; + }; + zoom.scaleExtent = function(_) { + if (!arguments.length) return scaleExtent; + scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ]; + return zoom; + }; + zoom.center = function(_) { + if (!arguments.length) return center; + center = _ && [ +_[0], +_[1] ]; + return zoom; + }; + zoom.size = function(_) { + if (!arguments.length) return size; + size = _ && [ +_[0], +_[1] ]; + return zoom; + }; + zoom.duration = function(_) { + if (!arguments.length) return duration; + duration = +_; + return zoom; + }; + zoom.x = function(z) { + if (!arguments.length) return x1; + x1 = z; + x0 = z.copy(); + view = { + x: 0, + y: 0, + k: 1 + }; + return zoom; + }; + zoom.y = function(z) { + if (!arguments.length) return y1; + y1 = z; + y0 = z.copy(); + view = { + x: 0, + y: 0, + k: 1 + }; + return zoom; + }; + function location(p) { + return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ]; + } + function point(l) { + return [ l[0] * view.k + view.x, l[1] * view.k + view.y ]; + } + function scaleTo(s) { + view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); + } + function translateTo(p, l) { + l = point(l); + view.x += p[0] - l[0]; + view.y += p[1] - l[1]; + } + function zoomTo(that, p, l, k) { + that.__chart__ = { + x: view.x, + y: view.y, + k: view.k + }; + scaleTo(Math.pow(2, k)); + translateTo(center0 = p, l); + that = d3.select(that); + if (duration > 0) that = that.transition().duration(duration); + that.call(zoom.event); + } + function rescale() { + if (x1) x1.domain(x0.range().map(function(x) { + return (x - view.x) / view.k; + }).map(x0.invert)); + if (y1) y1.domain(y0.range().map(function(y) { + return (y - view.y) / view.k; + }).map(y0.invert)); + } + function zoomstarted(dispatch) { + if (!zooming++) dispatch({ + type: "zoomstart" + }); + } + function zoomed(dispatch) { + rescale(); + dispatch({ + type: "zoom", + scale: view.k, + translate: [ view.x, view.y ] + }); + } + function zoomended(dispatch) { + if (!--zooming) dispatch({ + type: "zoomend" + }); + center0 = null; + } + function mousedowned() { + var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(); + d3_selection_interrupt.call(that); + zoomstarted(dispatch); + function moved() { + dragged = 1; + translateTo(d3.mouse(that), location0); + zoomed(dispatch); + } + function ended() { + subject.on(mousemove, null).on(mouseup, null); + dragRestore(dragged && d3.event.target === target); + zoomended(dispatch); + } + } + function touchstarted() { + var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(); + started(); + zoomstarted(dispatch); + subject.on(mousedown, null).on(touchstart, started); + function relocate() { + var touches = d3.touches(that); + scale0 = view.k; + touches.forEach(function(t) { + if (t.identifier in locations0) locations0[t.identifier] = location(t); + }); + return touches; + } + function started() { + var target = d3.event.target; + d3.select(target).on(touchmove, moved).on(touchend, ended); + targets.push(target); + var changed = d3.event.changedTouches; + for (var i = 0, n = changed.length; i < n; ++i) { + locations0[changed[i].identifier] = null; + } + var touches = relocate(), now = Date.now(); + if (touches.length === 1) { + if (now - touchtime < 500) { + var p = touches[0]; + zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1); + d3_eventPreventDefault(); + } + touchtime = now; + } else if (touches.length > 1) { + var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; + distance0 = dx * dx + dy * dy; + } + } + function moved() { + var touches = d3.touches(that), p0, l0, p1, l1; + d3_selection_interrupt.call(that); + for (var i = 0, n = touches.length; i < n; ++i, l1 = null) { + p1 = touches[i]; + if (l1 = locations0[p1.identifier]) { + if (l0) break; + p0 = p1, l0 = l1; + } + } + if (l1) { + var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0); + p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; + l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; + scaleTo(scale1 * scale0); + } + touchtime = null; + translateTo(p0, l0); + zoomed(dispatch); + } + function ended() { + if (d3.event.touches.length) { + var changed = d3.event.changedTouches; + for (var i = 0, n = changed.length; i < n; ++i) { + delete locations0[changed[i].identifier]; + } + for (var identifier in locations0) { + return void relocate(); + } + } + d3.selectAll(targets).on(zoomName, null); + subject.on(mousedown, mousedowned).on(touchstart, touchstarted); + dragRestore(); + zoomended(dispatch); + } + } + function mousewheeled() { + var dispatch = event.of(this, arguments); + if (mousewheelTimer) clearTimeout(mousewheelTimer); else translate0 = location(center0 = center || d3.mouse(this)), + d3_selection_interrupt.call(this), zoomstarted(dispatch); + mousewheelTimer = setTimeout(function() { + mousewheelTimer = null; + zoomended(dispatch); + }, 50); + d3_eventPreventDefault(); + scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k); + translateTo(center0, translate0); + zoomed(dispatch); + } + function dblclicked() { + var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2; + zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1); + } + return d3.rebind(zoom, event, "on"); + }; + var d3_behavior_zoomInfinity = [ 0, Infinity ]; + var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { + return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); + }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { + return d3.event.wheelDelta; + }, "mousewheel") : (d3_behavior_zoomDelta = function() { + return -d3.event.detail; + }, "MozMousePixelScroll"); + d3.color = d3_color; + function d3_color() {} + d3_color.prototype.toString = function() { + return this.rgb() + ""; + }; + d3.hsl = d3_hsl; + function d3_hsl(h, s, l) { + return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l); + } + var d3_hslPrototype = d3_hsl.prototype = new d3_color(); + d3_hslPrototype.brighter = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + return new d3_hsl(this.h, this.s, this.l / k); + }; + d3_hslPrototype.darker = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + return new d3_hsl(this.h, this.s, k * this.l); + }; + d3_hslPrototype.rgb = function() { + return d3_hsl_rgb(this.h, this.s, this.l); + }; + function d3_hsl_rgb(h, s, l) { + var m1, m2; + h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; + s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s; + l = l < 0 ? 0 : l > 1 ? 1 : l; + m2 = l <= .5 ? l * (1 + s) : l + s - l * s; + m1 = 2 * l - m2; + function v(h) { + if (h > 360) h -= 360; else if (h < 0) h += 360; + if (h < 60) return m1 + (m2 - m1) * h / 60; + if (h < 180) return m2; + if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; + return m1; + } + function vv(h) { + return Math.round(v(h) * 255); + } + return new d3_rgb(vv(h + 120), vv(h), vv(h - 120)); + } + d3.hcl = d3_hcl; + function d3_hcl(h, c, l) { + return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l); + } + var d3_hclPrototype = d3_hcl.prototype = new d3_color(); + d3_hclPrototype.brighter = function(k) { + return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); + }; + d3_hclPrototype.darker = function(k) { + return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); + }; + d3_hclPrototype.rgb = function() { + return d3_hcl_lab(this.h, this.c, this.l).rgb(); + }; + function d3_hcl_lab(h, c, l) { + if (isNaN(h)) h = 0; + if (isNaN(c)) c = 0; + return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); + } + d3.lab = d3_lab; + function d3_lab(l, a, b) { + return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b); + } + var d3_lab_K = 18; + var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883; + var d3_labPrototype = d3_lab.prototype = new d3_color(); + d3_labPrototype.brighter = function(k) { + return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); + }; + d3_labPrototype.darker = function(k) { + return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); + }; + d3_labPrototype.rgb = function() { + return d3_lab_rgb(this.l, this.a, this.b); + }; + function d3_lab_rgb(l, a, b) { + var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; + x = d3_lab_xyz(x) * d3_lab_X; + y = d3_lab_xyz(y) * d3_lab_Y; + z = d3_lab_xyz(z) * d3_lab_Z; + return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z)); + } + function d3_lab_hcl(l, a, b) { + return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l); + } + function d3_lab_xyz(x) { + return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037; + } + function d3_xyz_lab(x) { + return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; + } + function d3_xyz_rgb(r) { + return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055)); + } + d3.rgb = d3_rgb; + function d3_rgb(r, g, b) { + return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b); + } + function d3_rgbNumber(value) { + return new d3_rgb(value >> 16, value >> 8 & 255, value & 255); + } + function d3_rgbString(value) { + return d3_rgbNumber(value) + ""; + } + var d3_rgbPrototype = d3_rgb.prototype = new d3_color(); + d3_rgbPrototype.brighter = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + var r = this.r, g = this.g, b = this.b, i = 30; + if (!r && !g && !b) return new d3_rgb(i, i, i); + if (r && r < i) r = i; + if (g && g < i) g = i; + if (b && b < i) b = i; + return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k)); + }; + d3_rgbPrototype.darker = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + return new d3_rgb(k * this.r, k * this.g, k * this.b); + }; + d3_rgbPrototype.hsl = function() { + return d3_rgb_hsl(this.r, this.g, this.b); + }; + d3_rgbPrototype.toString = function() { + return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); + }; + function d3_rgb_hex(v) { + return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16); + } + function d3_rgb_parse(format, rgb, hsl) { + var r = 0, g = 0, b = 0, m1, m2, color; + m1 = /([a-z]+)\((.*)\)/i.exec(format); + if (m1) { + m2 = m1[2].split(","); + switch (m1[1]) { + case "hsl": + { + return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100); + } + + case "rgb": + { + return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2])); + } + } + } + if (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b); + if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) { + if (format.length === 4) { + r = (color & 3840) >> 4; + r = r >> 4 | r; + g = color & 240; + g = g >> 4 | g; + b = color & 15; + b = b << 4 | b; + } else if (format.length === 7) { + r = (color & 16711680) >> 16; + g = (color & 65280) >> 8; + b = color & 255; + } + } + return rgb(r, g, b); + } + function d3_rgb_hsl(r, g, b) { + var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2; + if (d) { + s = l < .5 ? d / (max + min) : d / (2 - max - min); + if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4; + h *= 60; + } else { + h = NaN; + s = l > 0 && l < 1 ? 0 : h; + } + return new d3_hsl(h, s, l); + } + function d3_rgb_lab(r, g, b) { + r = d3_rgb_xyz(r); + g = d3_rgb_xyz(g); + b = d3_rgb_xyz(b); + var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z); + return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); + } + function d3_rgb_xyz(r) { + return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4); + } + function d3_rgb_parseNumber(c) { + var f = parseFloat(c); + return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; + } + var d3_rgb_names = d3.map({ + aliceblue: 15792383, + antiquewhite: 16444375, + aqua: 65535, + aquamarine: 8388564, + azure: 15794175, + beige: 16119260, + bisque: 16770244, + black: 0, + blanchedalmond: 16772045, + blue: 255, + blueviolet: 9055202, + brown: 10824234, + burlywood: 14596231, + cadetblue: 6266528, + chartreuse: 8388352, + chocolate: 13789470, + coral: 16744272, + cornflowerblue: 6591981, + cornsilk: 16775388, + crimson: 14423100, + cyan: 65535, + darkblue: 139, + darkcyan: 35723, + darkgoldenrod: 12092939, + darkgray: 11119017, + darkgreen: 25600, + darkgrey: 11119017, + darkkhaki: 12433259, + darkmagenta: 9109643, + darkolivegreen: 5597999, + darkorange: 16747520, + darkorchid: 10040012, + darkred: 9109504, + darksalmon: 15308410, + darkseagreen: 9419919, + darkslateblue: 4734347, + darkslategray: 3100495, + darkslategrey: 3100495, + darkturquoise: 52945, + darkviolet: 9699539, + deeppink: 16716947, + deepskyblue: 49151, + dimgray: 6908265, + dimgrey: 6908265, + dodgerblue: 2003199, + firebrick: 11674146, + floralwhite: 16775920, + forestgreen: 2263842, + fuchsia: 16711935, + gainsboro: 14474460, + ghostwhite: 16316671, + gold: 16766720, + goldenrod: 14329120, + gray: 8421504, + green: 32768, + greenyellow: 11403055, + grey: 8421504, + honeydew: 15794160, + hotpink: 16738740, + indianred: 13458524, + indigo: 4915330, + ivory: 16777200, + khaki: 15787660, + lavender: 15132410, + lavenderblush: 16773365, + lawngreen: 8190976, + lemonchiffon: 16775885, + lightblue: 11393254, + lightcoral: 15761536, + lightcyan: 14745599, + lightgoldenrodyellow: 16448210, + lightgray: 13882323, + lightgreen: 9498256, + lightgrey: 13882323, + lightpink: 16758465, + lightsalmon: 16752762, + lightseagreen: 2142890, + lightskyblue: 8900346, + lightslategray: 7833753, + lightslategrey: 7833753, + lightsteelblue: 11584734, + lightyellow: 16777184, + lime: 65280, + limegreen: 3329330, + linen: 16445670, + magenta: 16711935, + maroon: 8388608, + mediumaquamarine: 6737322, + mediumblue: 205, + mediumorchid: 12211667, + mediumpurple: 9662683, + mediumseagreen: 3978097, + mediumslateblue: 8087790, + mediumspringgreen: 64154, + mediumturquoise: 4772300, + mediumvioletred: 13047173, + midnightblue: 1644912, + mintcream: 16121850, + mistyrose: 16770273, + moccasin: 16770229, + navajowhite: 16768685, + navy: 128, + oldlace: 16643558, + olive: 8421376, + olivedrab: 7048739, + orange: 16753920, + orangered: 16729344, + orchid: 14315734, + palegoldenrod: 15657130, + palegreen: 10025880, + paleturquoise: 11529966, + palevioletred: 14381203, + papayawhip: 16773077, + peachpuff: 16767673, + peru: 13468991, + pink: 16761035, + plum: 14524637, + powderblue: 11591910, + purple: 8388736, + red: 16711680, + rosybrown: 12357519, + royalblue: 4286945, + saddlebrown: 9127187, + salmon: 16416882, + sandybrown: 16032864, + seagreen: 3050327, + seashell: 16774638, + sienna: 10506797, + silver: 12632256, + skyblue: 8900331, + slateblue: 6970061, + slategray: 7372944, + slategrey: 7372944, + snow: 16775930, + springgreen: 65407, + steelblue: 4620980, + tan: 13808780, + teal: 32896, + thistle: 14204888, + tomato: 16737095, + turquoise: 4251856, + violet: 15631086, + wheat: 16113331, + white: 16777215, + whitesmoke: 16119285, + yellow: 16776960, + yellowgreen: 10145074 + }); + d3_rgb_names.forEach(function(key, value) { + d3_rgb_names.set(key, d3_rgbNumber(value)); + }); + function d3_functor(v) { + return typeof v === "function" ? v : function() { + return v; + }; + } + d3.functor = d3_functor; + function d3_identity(d) { + return d; + } + d3.xhr = d3_xhrType(d3_identity); + function d3_xhrType(response) { + return function(url, mimeType, callback) { + if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, + mimeType = null; + return d3_xhr(url, mimeType, response, callback); + }; + } + function d3_xhr(url, mimeType, response, callback) { + var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; + if (d3_window.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); + "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { + request.readyState > 3 && respond(); + }; + function respond() { + var status = request.status, result; + if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) { + try { + result = response.call(xhr, request); + } catch (e) { + dispatch.error.call(xhr, e); + return; + } + dispatch.load.call(xhr, result); + } else { + dispatch.error.call(xhr, request); + } + } + request.onprogress = function(event) { + var o = d3.event; + d3.event = event; + try { + dispatch.progress.call(xhr, request); + } finally { + d3.event = o; + } + }; + xhr.header = function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers[name]; + if (value == null) delete headers[name]; else headers[name] = value + ""; + return xhr; + }; + xhr.mimeType = function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return xhr; + }; + xhr.responseType = function(value) { + if (!arguments.length) return responseType; + responseType = value; + return xhr; + }; + xhr.response = function(value) { + response = value; + return xhr; + }; + [ "get", "post" ].forEach(function(method) { + xhr[method] = function() { + return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments))); + }; + }); + xhr.send = function(method, data, callback) { + if (arguments.length === 2 && typeof data === "function") callback = data, data = null; + request.open(method, url, true); + if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*"; + if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]); + if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType); + if (responseType != null) request.responseType = responseType; + if (callback != null) xhr.on("error", callback).on("load", function(request) { + callback(null, request); + }); + dispatch.beforesend.call(xhr, request); + request.send(data == null ? null : data); + return xhr; + }; + xhr.abort = function() { + request.abort(); + return xhr; + }; + d3.rebind(xhr, dispatch, "on"); + return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback)); + } + function d3_xhr_fixCallback(callback) { + return callback.length === 1 ? function(error, request) { + callback(error == null ? request : null); + } : callback; + } + function d3_xhrHasResponse(request) { + var type = request.responseType; + return type && type !== "text" ? request.response : request.responseText; + } + d3.dsv = function(delimiter, mimeType) { + var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); + function dsv(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback); + xhr.row = function(_) { + return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; + }; + return xhr; + } + function response(request) { + return dsv.parse(request.responseText); + } + function typedResponse(f) { + return function(request) { + return dsv.parse(request.responseText, f); + }; + } + dsv.parse = function(text, f) { + var o; + return dsv.parseRows(text, function(row, i) { + if (o) return o(row, i - 1); + var a = new Function("d", "return {" + row.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); + o = f ? function(row, i) { + return f(a(row), i); + } : a; + }); + }; + dsv.parseRows = function(text, f) { + var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol; + function token() { + if (I >= N) return EOF; + if (eol) return eol = false, EOL; + var j = I; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; + } + } + I = i + 2; + var c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; + } + return text.slice(j + 1, i).replace(/""/g, '"'); + } + while (I < N) { + var c = text.charCodeAt(I++), k = 1; + if (c === 10) eol = true; else if (c === 13) { + eol = true; + if (text.charCodeAt(I) === 10) ++I, ++k; + } else if (c !== delimiterCode) continue; + return text.slice(j, I - k); + } + return text.slice(j); + } + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); + } + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); + } + return rows; + }; + dsv.format = function(rows) { + if (Array.isArray(rows[0])) return dsv.formatRows(rows); + var fieldSet = new d3_Set(), fields = []; + rows.forEach(function(row) { + for (var field in row) { + if (!fieldSet.has(field)) { + fields.push(fieldSet.add(field)); + } + } + }); + return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { + return fields.map(function(field) { + return formatValue(row[field]); + }).join(delimiter); + })).join("\n"); + }; + dsv.formatRows = function(rows) { + return rows.map(formatRow).join("\n"); + }; + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + function formatValue(text) { + return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; + } + return dsv; + }; + d3.csv = d3.dsv(",", "text/csv"); + d3.tsv = d3.dsv(" ", "text/tab-separated-values"); + var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = d3_window[d3_vendorSymbol(d3_window, "requestAnimationFrame")] || function(callback) { + setTimeout(callback, 17); + }; + d3.timer = function(callback, delay, then) { + var n = arguments.length; + if (n < 2) delay = 0; + if (n < 3) then = Date.now(); + var time = then + delay, timer = { + c: callback, + t: time, + f: false, + n: null + }; + if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; + d3_timer_queueTail = timer; + if (!d3_timer_interval) { + d3_timer_timeout = clearTimeout(d3_timer_timeout); + d3_timer_interval = 1; + d3_timer_frame(d3_timer_step); + } + }; + function d3_timer_step() { + var now = d3_timer_mark(), delay = d3_timer_sweep() - now; + if (delay > 24) { + if (isFinite(delay)) { + clearTimeout(d3_timer_timeout); + d3_timer_timeout = setTimeout(d3_timer_step, delay); + } + d3_timer_interval = 0; + } else { + d3_timer_interval = 1; + d3_timer_frame(d3_timer_step); + } + } + d3.timer.flush = function() { + d3_timer_mark(); + d3_timer_sweep(); + }; + function d3_timer_mark() { + var now = Date.now(); + d3_timer_active = d3_timer_queueHead; + while (d3_timer_active) { + if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t); + d3_timer_active = d3_timer_active.n; + } + return now; + } + function d3_timer_sweep() { + var t0, t1 = d3_timer_queueHead, time = Infinity; + while (t1) { + if (t1.f) { + t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; + } else { + if (t1.t < time) time = t1.t; + t1 = (t0 = t1).n; + } + } + d3_timer_queueTail = t0; + return time; + } + function d3_format_precision(x, p) { + return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); + } + d3.round = function(x, n) { + return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); + }; + var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); + d3.formatPrefix = function(value, precision) { + var i = 0; + if (value) { + if (value < 0) value *= -1; + if (precision) value = d3.round(value, d3_format_precision(value, precision)); + i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); + i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3)); + } + return d3_formatPrefixes[8 + i / 3]; + }; + function d3_formatPrefix(d, i) { + var k = Math.pow(10, abs(8 - i) * 3); + return { + scale: i > 8 ? function(d) { + return d / k; + } : function(d) { + return d * k; + }, + symbol: d + }; + } + function d3_locale_numberFormat(locale) { + var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) { + var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0; + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = locale_grouping[j = (j + 1) % locale_grouping.length]; + } + return t.reverse().join(locale_thousands); + } : d3_identity; + return function(specifier) { + var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true; + if (precision) precision = +precision.substring(1); + if (zfill || fill === "0" && align === "=") { + zfill = fill = "0"; + align = "="; + } + switch (type) { + case "n": + comma = true; + type = "g"; + break; + + case "%": + scale = 100; + suffix = "%"; + type = "f"; + break; + + case "p": + scale = 100; + suffix = "%"; + type = "r"; + break; + + case "b": + case "o": + case "x": + case "X": + if (symbol === "#") prefix = "0" + type.toLowerCase(); + + case "c": + exponent = false; + + case "d": + integer = true; + precision = 0; + break; + + case "s": + scale = -1; + type = "r"; + break; + } + if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1]; + if (type == "r" && !precision) type = "g"; + if (precision != null) { + if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); + } + type = d3_format_types.get(type) || d3_format_typeDefault; + var zcomma = zfill && comma; + return function(value) { + var fullSuffix = suffix; + if (integer && value % 1) return ""; + var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign; + if (scale < 0) { + var unit = d3.formatPrefix(value, precision); + value = unit.scale(value); + fullSuffix = unit.symbol + suffix; + } else { + value *= scale; + } + value = type(value, precision); + var i = value.lastIndexOf("."), before, after; + if (i < 0) { + var j = exponent ? value.lastIndexOf("e") : -1; + if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j); + } else { + before = value.substring(0, i); + after = locale_decimal + value.substring(i + 1); + } + if (!zfill && comma) before = formatGroup(before, Infinity); + var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; + if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity); + negative += prefix; + value = before + after; + return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix; + }; + }; + } + var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i; + var d3_format_types = d3.map({ + b: function(x) { + return x.toString(2); + }, + c: function(x) { + return String.fromCharCode(x); + }, + o: function(x) { + return x.toString(8); + }, + x: function(x) { + return x.toString(16); + }, + X: function(x) { + return x.toString(16).toUpperCase(); + }, + g: function(x, p) { + return x.toPrecision(p); + }, + e: function(x, p) { + return x.toExponential(p); + }, + f: function(x, p) { + return x.toFixed(p); + }, + r: function(x, p) { + return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p)))); + } + }); + function d3_format_typeDefault(x) { + return x + ""; + } + var d3_time = d3.time = {}, d3_date = Date; + function d3_date_utc() { + this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); + } + d3_date_utc.prototype = { + getDate: function() { + return this._.getUTCDate(); + }, + getDay: function() { + return this._.getUTCDay(); + }, + getFullYear: function() { + return this._.getUTCFullYear(); + }, + getHours: function() { + return this._.getUTCHours(); + }, + getMilliseconds: function() { + return this._.getUTCMilliseconds(); + }, + getMinutes: function() { + return this._.getUTCMinutes(); + }, + getMonth: function() { + return this._.getUTCMonth(); + }, + getSeconds: function() { + return this._.getUTCSeconds(); + }, + getTime: function() { + return this._.getTime(); + }, + getTimezoneOffset: function() { + return 0; + }, + valueOf: function() { + return this._.valueOf(); + }, + setDate: function() { + d3_time_prototype.setUTCDate.apply(this._, arguments); + }, + setDay: function() { + d3_time_prototype.setUTCDay.apply(this._, arguments); + }, + setFullYear: function() { + d3_time_prototype.setUTCFullYear.apply(this._, arguments); + }, + setHours: function() { + d3_time_prototype.setUTCHours.apply(this._, arguments); + }, + setMilliseconds: function() { + d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); + }, + setMinutes: function() { + d3_time_prototype.setUTCMinutes.apply(this._, arguments); + }, + setMonth: function() { + d3_time_prototype.setUTCMonth.apply(this._, arguments); + }, + setSeconds: function() { + d3_time_prototype.setUTCSeconds.apply(this._, arguments); + }, + setTime: function() { + d3_time_prototype.setTime.apply(this._, arguments); + } + }; + var d3_time_prototype = Date.prototype; + function d3_time_interval(local, step, number) { + function round(date) { + var d0 = local(date), d1 = offset(d0, 1); + return date - d0 < d1 - date ? d0 : d1; + } + function ceil(date) { + step(date = local(new d3_date(date - 1)), 1); + return date; + } + function offset(date, k) { + step(date = new d3_date(+date), k); + return date; + } + function range(t0, t1, dt) { + var time = ceil(t0), times = []; + if (dt > 1) { + while (time < t1) { + if (!(number(time) % dt)) times.push(new Date(+time)); + step(time, 1); + } + } else { + while (time < t1) times.push(new Date(+time)), step(time, 1); + } + return times; + } + function range_utc(t0, t1, dt) { + try { + d3_date = d3_date_utc; + var utc = new d3_date_utc(); + utc._ = t0; + return range(utc, t1, dt); + } finally { + d3_date = Date; + } + } + local.floor = local; + local.round = round; + local.ceil = ceil; + local.offset = offset; + local.range = range; + var utc = local.utc = d3_time_interval_utc(local); + utc.floor = utc; + utc.round = d3_time_interval_utc(round); + utc.ceil = d3_time_interval_utc(ceil); + utc.offset = d3_time_interval_utc(offset); + utc.range = range_utc; + return local; + } + function d3_time_interval_utc(method) { + return function(date, k) { + try { + d3_date = d3_date_utc; + var utc = new d3_date_utc(); + utc._ = date; + return method(utc, k)._; + } finally { + d3_date = Date; + } + }; + } + d3_time.year = d3_time_interval(function(date) { + date = d3_time.day(date); + date.setMonth(0, 1); + return date; + }, function(date, offset) { + date.setFullYear(date.getFullYear() + offset); + }, function(date) { + return date.getFullYear(); + }); + d3_time.years = d3_time.year.range; + d3_time.years.utc = d3_time.year.utc.range; + d3_time.day = d3_time_interval(function(date) { + var day = new d3_date(2e3, 0); + day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate()); + return day; + }, function(date, offset) { + date.setDate(date.getDate() + offset); + }, function(date) { + return date.getDate() - 1; + }); + d3_time.days = d3_time.day.range; + d3_time.days.utc = d3_time.day.utc.range; + d3_time.dayOfYear = function(date) { + var year = d3_time.year(date); + return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5); + }; + [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) { + i = 7 - i; + var interval = d3_time[day] = d3_time_interval(function(date) { + (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7); + return date; + }, function(date, offset) { + date.setDate(date.getDate() + Math.floor(offset) * 7); + }, function(date) { + var day = d3_time.year(date).getDay(); + return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i); + }); + d3_time[day + "s"] = interval.range; + d3_time[day + "s"].utc = interval.utc.range; + d3_time[day + "OfYear"] = function(date) { + var day = d3_time.year(date).getDay(); + return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7); + }; + }); + d3_time.week = d3_time.sunday; + d3_time.weeks = d3_time.sunday.range; + d3_time.weeks.utc = d3_time.sunday.utc.range; + d3_time.weekOfYear = d3_time.sundayOfYear; + function d3_locale_timeFormat(locale) { + var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths; + function d3_time_format(template) { + var n = template.length; + function format(date) { + var string = [], i = -1, j = 0, c, p, f; + while (++i < n) { + if (template.charCodeAt(i) === 37) { + string.push(template.slice(j, i)); + if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i); + if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p); + string.push(c); + j = i + 1; + } + } + string.push(template.slice(j, i)); + return string.join(""); + } + format.parse = function(string) { + var d = { + y: 1900, + m: 0, + d: 1, + H: 0, + M: 0, + S: 0, + L: 0, + Z: null + }, i = d3_time_parse(d, template, string, 0); + if (i != string.length) return null; + if ("p" in d) d.H = d.H % 12 + d.p * 12; + var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); + if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) { + date.setFullYear(d.y, 0, 1); + date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); + } else date.setFullYear(d.y, d.m, d.d); + date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L); + return localZ ? date._ : date; + }; + format.toString = function() { + return template; + }; + return format; + } + function d3_time_parse(date, template, string, j) { + var c, p, t, i = 0, n = template.length, m = string.length; + while (i < n) { + if (j >= m) return -1; + c = template.charCodeAt(i++); + if (c === 37) { + t = template.charAt(i++); + p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t]; + if (!p || (j = p(date, string, j)) < 0) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } + } + return j; + } + d3_time_format.utc = function(template) { + var local = d3_time_format(template); + function format(date) { + try { + d3_date = d3_date_utc; + var utc = new d3_date(); + utc._ = date; + return local(utc); + } finally { + d3_date = Date; + } + } + format.parse = function(string) { + try { + d3_date = d3_date_utc; + var date = local.parse(string); + return date && date._; + } finally { + d3_date = Date; + } + }; + format.toString = local.toString; + return format; + }; + d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti; + var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths); + locale_periods.forEach(function(p, i) { + d3_time_periodLookup.set(p.toLowerCase(), i); + }); + var d3_time_formats = { + a: function(d) { + return locale_shortDays[d.getDay()]; + }, + A: function(d) { + return locale_days[d.getDay()]; + }, + b: function(d) { + return locale_shortMonths[d.getMonth()]; + }, + B: function(d) { + return locale_months[d.getMonth()]; + }, + c: d3_time_format(locale_dateTime), + d: function(d, p) { + return d3_time_formatPad(d.getDate(), p, 2); + }, + e: function(d, p) { + return d3_time_formatPad(d.getDate(), p, 2); + }, + H: function(d, p) { + return d3_time_formatPad(d.getHours(), p, 2); + }, + I: function(d, p) { + return d3_time_formatPad(d.getHours() % 12 || 12, p, 2); + }, + j: function(d, p) { + return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3); + }, + L: function(d, p) { + return d3_time_formatPad(d.getMilliseconds(), p, 3); + }, + m: function(d, p) { + return d3_time_formatPad(d.getMonth() + 1, p, 2); + }, + M: function(d, p) { + return d3_time_formatPad(d.getMinutes(), p, 2); + }, + p: function(d) { + return locale_periods[+(d.getHours() >= 12)]; + }, + S: function(d, p) { + return d3_time_formatPad(d.getSeconds(), p, 2); + }, + U: function(d, p) { + return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2); + }, + w: function(d) { + return d.getDay(); + }, + W: function(d, p) { + return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2); + }, + x: d3_time_format(locale_date), + X: d3_time_format(locale_time), + y: function(d, p) { + return d3_time_formatPad(d.getFullYear() % 100, p, 2); + }, + Y: function(d, p) { + return d3_time_formatPad(d.getFullYear() % 1e4, p, 4); + }, + Z: d3_time_zone, + "%": function() { + return "%"; + } + }; + var d3_time_parsers = { + a: d3_time_parseWeekdayAbbrev, + A: d3_time_parseWeekday, + b: d3_time_parseMonthAbbrev, + B: d3_time_parseMonth, + c: d3_time_parseLocaleFull, + d: d3_time_parseDay, + e: d3_time_parseDay, + H: d3_time_parseHour24, + I: d3_time_parseHour24, + j: d3_time_parseDayOfYear, + L: d3_time_parseMilliseconds, + m: d3_time_parseMonthNumber, + M: d3_time_parseMinutes, + p: d3_time_parseAmPm, + S: d3_time_parseSeconds, + U: d3_time_parseWeekNumberSunday, + w: d3_time_parseWeekdayNumber, + W: d3_time_parseWeekNumberMonday, + x: d3_time_parseLocaleDate, + X: d3_time_parseLocaleTime, + y: d3_time_parseYear, + Y: d3_time_parseFullYear, + Z: d3_time_parseZone, + "%": d3_time_parseLiteralPercent + }; + function d3_time_parseWeekdayAbbrev(date, string, i) { + d3_time_dayAbbrevRe.lastIndex = 0; + var n = d3_time_dayAbbrevRe.exec(string.slice(i)); + return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseWeekday(date, string, i) { + d3_time_dayRe.lastIndex = 0; + var n = d3_time_dayRe.exec(string.slice(i)); + return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseMonthAbbrev(date, string, i) { + d3_time_monthAbbrevRe.lastIndex = 0; + var n = d3_time_monthAbbrevRe.exec(string.slice(i)); + return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseMonth(date, string, i) { + d3_time_monthRe.lastIndex = 0; + var n = d3_time_monthRe.exec(string.slice(i)); + return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseLocaleFull(date, string, i) { + return d3_time_parse(date, d3_time_formats.c.toString(), string, i); + } + function d3_time_parseLocaleDate(date, string, i) { + return d3_time_parse(date, d3_time_formats.x.toString(), string, i); + } + function d3_time_parseLocaleTime(date, string, i) { + return d3_time_parse(date, d3_time_formats.X.toString(), string, i); + } + function d3_time_parseAmPm(date, string, i) { + var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase()); + return n == null ? -1 : (date.p = n, i); + } + return d3_time_format; + } + var d3_time_formatPads = { + "-": "", + _: " ", + "0": "0" + }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/; + function d3_time_formatPad(value, fill, width) { + var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); + } + function d3_time_formatRe(names) { + return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i"); + } + function d3_time_formatLookup(names) { + var map = new d3_Map(), i = -1, n = names.length; + while (++i < n) map.set(names[i].toLowerCase(), i); + return map; + } + function d3_time_parseWeekdayNumber(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 1)); + return n ? (date.w = +n[0], i + n[0].length) : -1; + } + function d3_time_parseWeekNumberSunday(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i)); + return n ? (date.U = +n[0], i + n[0].length) : -1; + } + function d3_time_parseWeekNumberMonday(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i)); + return n ? (date.W = +n[0], i + n[0].length) : -1; + } + function d3_time_parseFullYear(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 4)); + return n ? (date.y = +n[0], i + n[0].length) : -1; + } + function d3_time_parseYear(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1; + } + function d3_time_parseZone(date, string, i) { + return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, + i + 5) : -1; + } + function d3_time_expandYear(d) { + return d + (d > 68 ? 1900 : 2e3); + } + function d3_time_parseMonthNumber(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.m = n[0] - 1, i + n[0].length) : -1; + } + function d3_time_parseDay(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.d = +n[0], i + n[0].length) : -1; + } + function d3_time_parseDayOfYear(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 3)); + return n ? (date.j = +n[0], i + n[0].length) : -1; + } + function d3_time_parseHour24(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.H = +n[0], i + n[0].length) : -1; + } + function d3_time_parseMinutes(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.M = +n[0], i + n[0].length) : -1; + } + function d3_time_parseSeconds(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.S = +n[0], i + n[0].length) : -1; + } + function d3_time_parseMilliseconds(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 3)); + return n ? (date.L = +n[0], i + n[0].length) : -1; + } + function d3_time_zone(d) { + var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60; + return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); + } + function d3_time_parseLiteralPercent(date, string, i) { + d3_time_percentRe.lastIndex = 0; + var n = d3_time_percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; + } + function d3_time_formatMulti(formats) { + var n = formats.length, i = -1; + while (++i < n) formats[i][0] = this(formats[i][0]); + return function(date) { + var i = 0, f = formats[i]; + while (!f[1](date)) f = formats[++i]; + return f[0](date); + }; + } + d3.locale = function(locale) { + return { + numberFormat: d3_locale_numberFormat(locale), + timeFormat: d3_locale_timeFormat(locale) + }; + }; + var d3_locale_enUS = d3.locale({ + decimal: ".", + thousands: ",", + grouping: [ 3 ], + currency: [ "$", "" ], + dateTime: "%a %b %e %X %Y", + date: "%m/%d/%Y", + time: "%H:%M:%S", + periods: [ "AM", "PM" ], + days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], + shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], + months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], + shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] + }); + d3.format = d3_locale_enUS.numberFormat; + d3.geo = {}; + function d3_adder() {} + d3_adder.prototype = { + s: 0, + t: 0, + add: function(y) { + d3_adderSum(y, this.t, d3_adderTemp); + d3_adderSum(d3_adderTemp.s, this.s, this); + if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; + }, + reset: function() { + this.s = this.t = 0; + }, + valueOf: function() { + return this.s; + } + }; + var d3_adderTemp = new d3_adder(); + function d3_adderSum(a, b, o) { + var x = o.s = a + b, bv = x - a, av = x - bv; + o.t = a - av + (b - bv); + } + d3.geo.stream = function(object, listener) { + if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { + d3_geo_streamObjectType[object.type](object, listener); + } else { + d3_geo_streamGeometry(object, listener); + } + }; + function d3_geo_streamGeometry(geometry, listener) { + if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { + d3_geo_streamGeometryType[geometry.type](geometry, listener); + } + } + var d3_geo_streamObjectType = { + Feature: function(feature, listener) { + d3_geo_streamGeometry(feature.geometry, listener); + }, + FeatureCollection: function(object, listener) { + var features = object.features, i = -1, n = features.length; + while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); + } + }; + var d3_geo_streamGeometryType = { + Sphere: function(object, listener) { + listener.sphere(); + }, + Point: function(object, listener) { + object = object.coordinates; + listener.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, listener) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]); + }, + LineString: function(object, listener) { + d3_geo_streamLine(object.coordinates, listener, 0); + }, + MultiLineString: function(object, listener) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0); + }, + Polygon: function(object, listener) { + d3_geo_streamPolygon(object.coordinates, listener); + }, + MultiPolygon: function(object, listener) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) d3_geo_streamPolygon(coordinates[i], listener); + }, + GeometryCollection: function(object, listener) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) d3_geo_streamGeometry(geometries[i], listener); + } + }; + function d3_geo_streamLine(coordinates, listener, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + listener.lineStart(); + while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]); + listener.lineEnd(); + } + function d3_geo_streamPolygon(coordinates, listener) { + var i = -1, n = coordinates.length; + listener.polygonStart(); + while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1); + listener.polygonEnd(); + } + d3.geo.area = function(object) { + d3_geo_areaSum = 0; + d3.geo.stream(object, d3_geo_area); + return d3_geo_areaSum; + }; + var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder(); + var d3_geo_area = { + sphere: function() { + d3_geo_areaSum += 4 * π; + }, + point: d3_noop, + lineStart: d3_noop, + lineEnd: d3_noop, + polygonStart: function() { + d3_geo_areaRingSum.reset(); + d3_geo_area.lineStart = d3_geo_areaRingStart; + }, + polygonEnd: function() { + var area = 2 * d3_geo_areaRingSum; + d3_geo_areaSum += area < 0 ? 4 * π + area : area; + d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; + } + }; + function d3_geo_areaRingStart() { + var λ00, φ00, λ0, cosφ0, sinφ0; + d3_geo_area.point = function(λ, φ) { + d3_geo_area.point = nextPoint; + λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), + sinφ0 = Math.sin(φ); + }; + function nextPoint(λ, φ) { + λ *= d3_radians; + φ = φ * d3_radians / 2 + π / 4; + var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ); + d3_geo_areaRingSum.add(Math.atan2(v, u)); + λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; + } + d3_geo_area.lineEnd = function() { + nextPoint(λ00, φ00); + }; + } + function d3_geo_cartesian(spherical) { + var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ); + return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ]; + } + function d3_geo_cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; + } + function d3_geo_cartesianCross(a, b) { + return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ]; + } + function d3_geo_cartesianAdd(a, b) { + a[0] += b[0]; + a[1] += b[1]; + a[2] += b[2]; + } + function d3_geo_cartesianScale(vector, k) { + return [ vector[0] * k, vector[1] * k, vector[2] * k ]; + } + function d3_geo_cartesianNormalize(d) { + var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l; + d[1] /= l; + d[2] /= l; + } + function d3_geo_spherical(cartesian) { + return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; + } + function d3_geo_sphericalEqual(a, b) { + return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε; + } + d3.geo.bounds = function() { + var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; + var bound = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + bound.point = ringPoint; + bound.lineStart = ringStart; + bound.lineEnd = ringEnd; + dλSum = 0; + d3_geo_area.polygonStart(); + }, + polygonEnd: function() { + d3_geo_area.polygonEnd(); + bound.point = point; + bound.lineStart = lineStart; + bound.lineEnd = lineEnd; + if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; + range[0] = λ0, range[1] = λ1; + } + }; + function point(λ, φ) { + ranges.push(range = [ λ0 = λ, λ1 = λ ]); + if (φ < φ0) φ0 = φ; + if (φ > φ1) φ1 = φ; + } + function linePoint(λ, φ) { + var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); + if (p0) { + var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); + d3_geo_cartesianNormalize(inflection); + inflection = d3_geo_spherical(inflection); + var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180; + if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { + var φi = inflection[1] * d3_degrees; + if (φi > φ1) φ1 = φi; + } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { + var φi = -inflection[1] * d3_degrees; + if (φi < φ0) φ0 = φi; + } else { + if (φ < φ0) φ0 = φ; + if (φ > φ1) φ1 = φ; + } + if (antimeridian) { + if (λ < λ_) { + if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; + } else { + if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; + } + } else { + if (λ1 >= λ0) { + if (λ < λ0) λ0 = λ; + if (λ > λ1) λ1 = λ; + } else { + if (λ > λ_) { + if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; + } else { + if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; + } + } + } + } else { + point(λ, φ); + } + p0 = p, λ_ = λ; + } + function lineStart() { + bound.point = linePoint; + } + function lineEnd() { + range[0] = λ0, range[1] = λ1; + bound.point = point; + p0 = null; + } + function ringPoint(λ, φ) { + if (p0) { + var dλ = λ - λ_; + dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; + } else λ__ = λ, φ__ = φ; + d3_geo_area.point(λ, φ); + linePoint(λ, φ); + } + function ringStart() { + d3_geo_area.lineStart(); + } + function ringEnd() { + ringPoint(λ__, φ__); + d3_geo_area.lineEnd(); + if (abs(dλSum) > ε) λ0 = -(λ1 = 180); + range[0] = λ0, range[1] = λ1; + p0 = null; + } + function angle(λ0, λ1) { + return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; + } + function compareRanges(a, b) { + return a[0] - b[0]; + } + function withinRange(x, range) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; + } + return function(feature) { + φ1 = λ1 = -(λ0 = φ0 = Infinity); + ranges = []; + d3.geo.stream(feature, bound); + var n = ranges.length; + if (n) { + ranges.sort(compareRanges); + for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { + b = ranges[i]; + if (withinRange(b[0], a) || withinRange(b[1], a)) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } + var best = -Infinity, dλ; + for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { + b = merged[i]; + if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; + } + } + ranges = range = null; + return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; + }; + }(); + d3.geo.centroid = function(object) { + d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; + d3.geo.stream(object, d3_geo_centroid); + var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; + if (m < ε2) { + x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; + if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; + m = x * x + y * y + z * z; + if (m < ε2) return [ NaN, NaN ]; + } + return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; + }; + var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; + var d3_geo_centroid = { + sphere: d3_noop, + point: d3_geo_centroidPoint, + lineStart: d3_geo_centroidLineStart, + lineEnd: d3_geo_centroidLineEnd, + polygonStart: function() { + d3_geo_centroid.lineStart = d3_geo_centroidRingStart; + }, + polygonEnd: function() { + d3_geo_centroid.lineStart = d3_geo_centroidLineStart; + } + }; + function d3_geo_centroidPoint(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians); + d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); + } + function d3_geo_centroidPointXYZ(x, y, z) { + ++d3_geo_centroidW0; + d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; + d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; + d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; + } + function d3_geo_centroidLineStart() { + var x0, y0, z0; + d3_geo_centroid.point = function(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians); + x0 = cosφ * Math.cos(λ); + y0 = cosφ * Math.sin(λ); + z0 = Math.sin(φ); + d3_geo_centroid.point = nextPoint; + d3_geo_centroidPointXYZ(x0, y0, z0); + }; + function nextPoint(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + d3_geo_centroidW1 += w; + d3_geo_centroidX1 += w * (x0 + (x0 = x)); + d3_geo_centroidY1 += w * (y0 + (y0 = y)); + d3_geo_centroidZ1 += w * (z0 + (z0 = z)); + d3_geo_centroidPointXYZ(x0, y0, z0); + } + } + function d3_geo_centroidLineEnd() { + d3_geo_centroid.point = d3_geo_centroidPoint; + } + function d3_geo_centroidRingStart() { + var λ00, φ00, x0, y0, z0; + d3_geo_centroid.point = function(λ, φ) { + λ00 = λ, φ00 = φ; + d3_geo_centroid.point = nextPoint; + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians); + x0 = cosφ * Math.cos(λ); + y0 = cosφ * Math.sin(λ); + z0 = Math.sin(φ); + d3_geo_centroidPointXYZ(x0, y0, z0); + }; + d3_geo_centroid.lineEnd = function() { + nextPoint(λ00, φ00); + d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; + d3_geo_centroid.point = d3_geo_centroidPoint; + }; + function nextPoint(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); + d3_geo_centroidX2 += v * cx; + d3_geo_centroidY2 += v * cy; + d3_geo_centroidZ2 += v * cz; + d3_geo_centroidW1 += w; + d3_geo_centroidX1 += w * (x0 + (x0 = x)); + d3_geo_centroidY1 += w * (y0 + (y0 = y)); + d3_geo_centroidZ1 += w * (z0 + (z0 = z)); + d3_geo_centroidPointXYZ(x0, y0, z0); + } + } + function d3_geo_compose(a, b) { + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); + } + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; + return compose; + } + function d3_true() { + return true; + } + function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) { + var subject = [], clip = []; + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n]; + if (d3_geo_sphericalEqual(p0, p1)) { + listener.lineStart(); + for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]); + listener.lineEnd(); + return; + } + var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false); + a.o = b; + subject.push(a); + clip.push(b); + a = new d3_geo_clipPolygonIntersection(p1, segment, null, false); + b = new d3_geo_clipPolygonIntersection(p1, null, a, true); + a.o = b; + subject.push(a); + clip.push(b); + }); + clip.sort(compare); + d3_geo_clipPolygonLinkCircular(subject); + d3_geo_clipPolygonLinkCircular(clip); + if (!subject.length) return; + for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) { + clip[i].e = entry = !entry; + } + var start = subject[0], points, point; + while (1) { + var current = start, isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + listener.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, listener); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, listener); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + listener.lineEnd(); + } + } + function d3_geo_clipPolygonLinkCircular(array) { + if (!(n = array.length)) return; + var n, i = 0, a = array[0], b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; + } + a.n = b = array[0]; + b.p = a; + } + function d3_geo_clipPolygonIntersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; + this.e = entry; + this.v = false; + this.n = this.p = null; + } + function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) { + return function(rotate, listener) { + var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]); + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = d3.merge(segments); + var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon); + if (segments.length) { + if (!polygonStarted) listener.polygonStart(), polygonStarted = true; + d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener); + } else if (clipStartInside) { + if (!polygonStarted) listener.polygonStart(), polygonStarted = true; + listener.lineStart(); + interpolate(null, null, 1, listener); + listener.lineEnd(); + } + if (polygonStarted) listener.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + listener.polygonStart(); + listener.lineStart(); + interpolate(null, null, 1, listener); + listener.lineEnd(); + listener.polygonEnd(); + } + }; + function point(λ, φ) { + var point = rotate(λ, φ); + if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ); + } + function pointLine(λ, φ) { + var point = rotate(λ, φ); + line.point(point[0], point[1]); + } + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } + function lineEnd() { + clip.point = point; + line.lineEnd(); + } + var segments; + var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring; + function pointRing(λ, φ) { + ring.push([ λ, φ ]); + var point = rotate(λ, φ); + ringListener.point(point[0], point[1]); + } + function ringStart() { + ringListener.lineStart(); + ring = []; + } + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringListener.lineEnd(); + var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length; + ring.pop(); + polygon.push(ring); + ring = null; + if (!n) return; + if (clean & 1) { + segment = ringSegments[0]; + var n = segment.length - 1, i = -1, point; + if (n > 0) { + if (!polygonStarted) listener.polygonStart(), polygonStarted = true; + listener.lineStart(); + while (++i < n) listener.point((point = segment[i])[0], point[1]); + listener.lineEnd(); + } + return; + } + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + segments.push(ringSegments.filter(d3_geo_clipSegmentLength1)); + } + return clip; + }; + } + function d3_geo_clipSegmentLength1(segment) { + return segment.length > 1; + } + function d3_geo_clipBufferListener() { + var lines = [], line; + return { + lineStart: function() { + lines.push(line = []); + }, + point: function(λ, φ) { + line.push([ λ, φ ]); + }, + lineEnd: d3_noop, + buffer: function() { + var buffer = lines; + lines = []; + line = null; + return buffer; + }, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + } + }; + } + function d3_geo_clipSort(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]); + } + var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]); + function d3_geo_clipAntimeridianLine(listener) { + var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean; + return { + lineStart: function() { + listener.lineStart(); + clean = 1; + }, + point: function(λ1, φ1) { + var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0); + if (abs(dλ - π) < ε) { + listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ); + listener.point(sλ0, φ0); + listener.lineEnd(); + listener.lineStart(); + listener.point(sλ1, φ0); + listener.point(λ1, φ0); + clean = 0; + } else if (sλ0 !== sλ1 && dλ >= π) { + if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; + if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε; + φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1); + listener.point(sλ0, φ0); + listener.lineEnd(); + listener.lineStart(); + listener.point(sλ1, φ0); + clean = 0; + } + listener.point(λ0 = λ1, φ0 = φ1); + sλ0 = sλ1; + }, + lineEnd: function() { + listener.lineEnd(); + λ0 = φ0 = NaN; + }, + clean: function() { + return 2 - clean; + } + }; + } + function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) { + var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1); + return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2; + } + function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) { + var φ; + if (from == null) { + φ = direction * halfπ; + listener.point(-π, φ); + listener.point(0, φ); + listener.point(π, φ); + listener.point(π, 0); + listener.point(π, -φ); + listener.point(0, -φ); + listener.point(-π, -φ); + listener.point(-π, 0); + listener.point(-π, φ); + } else if (abs(from[0] - to[0]) > ε) { + var s = from[0] < to[0] ? π : -π; + φ = direction * s / 2; + listener.point(-s, φ); + listener.point(0, φ); + listener.point(s, φ); + } else { + listener.point(to[0], to[1]); + } + } + function d3_geo_pointInPolygon(point, polygon) { + var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0; + d3_geo_areaRingSum.reset(); + for (var i = 0, n = polygon.length; i < n; ++i) { + var ring = polygon[i], m = ring.length; + if (!m) continue; + var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; + while (true) { + if (j === m) j = 0; + point = ring[j]; + var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ; + d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ))); + polarAngle += antimeridian ? dλ + sdλ * τ : dλ; + if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { + var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); + d3_geo_cartesianNormalize(arc); + var intersection = d3_geo_cartesianCross(meridianNormal, arc); + d3_geo_cartesianNormalize(intersection); + var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); + if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) { + winding += antimeridian ^ dλ >= 0 ? 1 : -1; + } + } + if (!j++) break; + λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; + } + } + return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1; + } + function d3_geo_clipCircle(radius) { + var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); + return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]); + function visible(λ, φ) { + return Math.cos(λ) * Math.cos(φ) > cr; + } + function clipLine(listener) { + var point0, c0, v0, v00, clean; + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(λ, φ) { + var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0; + if (!point0 && (v00 = v0 = v)) listener.lineStart(); + if (v !== v0) { + point2 = intersect(point0, point1); + if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) { + point1[0] += ε; + point1[1] += ε; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + listener.lineStart(); + point2 = intersect(point1, point0); + listener.point(point2[0], point2[1]); + } else { + point2 = intersect(point0, point1); + listener.point(point2[0], point2[1]); + listener.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + listener.lineStart(); + listener.point(t[0][0], t[0][1]); + listener.point(t[1][0], t[1][1]); + listener.lineEnd(); + } else { + listener.point(t[1][0], t[1][1]); + listener.lineEnd(); + listener.lineStart(); + listener.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) { + listener.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) listener.lineEnd(); + point0 = null; + }, + clean: function() { + return clean | (v00 && v0) << 1; + } + }; + } + function intersect(a, b, two) { + var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b); + var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2; + if (!determinant) return !two && a; + var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2); + d3_geo_cartesianAdd(A, B); + var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1); + if (t2 < 0) return; + var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu); + d3_geo_cartesianAdd(q, A); + q = d3_geo_spherical(q); + if (!two) return q; + var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z; + if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z; + var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε; + if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z; + if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) { + var q1 = d3_geo_cartesianScale(u, (-w + t) / uu); + d3_geo_cartesianAdd(q1, A); + return [ q, d3_geo_spherical(q1) ]; + } + } + function code(λ, φ) { + var r = smallRadius ? radius : π - radius, code = 0; + if (λ < -r) code |= 1; else if (λ > r) code |= 2; + if (φ < -r) code |= 4; else if (φ > r) code |= 8; + return code; + } + } + function d3_geom_clipLine(x0, y0, x1, y1) { + return function(line) { + var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r; + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + if (t0 > 0) line.a = { + x: ax + t0 * dx, + y: ay + t0 * dy + }; + if (t1 < 1) line.b = { + x: ax + t1 * dx, + y: ay + t1 * dy + }; + return line; + }; + } + var d3_geo_clipExtentMAX = 1e9; + d3.geo.clipExtent = function() { + var x0, y0, x1, y1, stream, clip, clipExtent = { + stream: function(output) { + if (stream) stream.valid = false; + stream = clip(output); + stream.valid = true; + return stream; + }, + extent: function(_) { + if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; + clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]); + if (stream) stream.valid = false, stream = null; + return clipExtent; + } + }; + return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]); + }; + function d3_geo_clipExtent(x0, y0, x1, y1) { + return function(listener) { + var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring; + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + listener = bufferListener; + segments = []; + polygon = []; + clean = true; + }, + polygonEnd: function() { + listener = listener_; + segments = d3.merge(segments); + var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length; + if (inside || visible) { + listener.polygonStart(); + if (inside) { + listener.lineStart(); + interpolate(null, null, 1, listener); + listener.lineEnd(); + } + if (visible) { + d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener); + } + listener.polygonEnd(); + } + segments = polygon = ring = null; + } + }; + function insidePolygon(p) { + var wn = 0, n = polygon.length, y = p[1]; + for (var i = 0; i < n; ++i) { + for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) { + b = v[j]; + if (a[1] <= y) { + if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn; + } else { + if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn; + } + a = b; + } + } + return wn !== 0; + } + function interpolate(from, to, direction, listener) { + var a = 0, a1 = 0; + if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) { + do { + listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + } while ((a = (a + direction + 4) % 4) !== a1); + } else { + listener.point(to[0], to[1]); + } + } + function pointVisible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } + function point(x, y) { + if (pointVisible(x, y)) listener.point(x, y); + } + var x__, y__, v__, x_, y_, v_, first, clean; + function lineStart() { + clip.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferListener.rejoin(); + segments.push(bufferListener.buffer()); + } + clip.point = point; + if (v_) listener.lineEnd(); + } + function linePoint(x, y) { + x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x)); + y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y)); + var v = pointVisible(x, y); + if (polygon) ring.push([ x, y ]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + listener.lineStart(); + listener.point(x, y); + } + } else { + if (v && v_) listener.point(x, y); else { + var l = { + a: { + x: x_, + y: y_ + }, + b: { + x: x, + y: y + } + }; + if (clipLine(l)) { + if (!v_) { + listener.lineStart(); + listener.point(l.a.x, l.a.y); + } + listener.point(l.b.x, l.b.y); + if (!v) listener.lineEnd(); + clean = false; + } else if (v) { + listener.lineStart(); + listener.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } + return clip; + }; + function corner(p, direction) { + return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; + } + function compare(a, b) { + return comparePoints(a.x, b.x); + } + function comparePoints(a, b) { + var ca = corner(a, 1), cb = corner(b, 1); + return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0]; + } + } + function d3_geo_conic(projectAt) { + var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1); + p.parallels = function(_) { + if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ]; + return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180); + }; + return p; + } + function d3_geo_conicEqualArea(φ0, φ1) { + var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n; + function forward(λ, φ) { + var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; + return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; + } + forward.invert = function(x, y) { + var ρ0_y = ρ0 - y; + return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; + }; + return forward; + } + (d3.geo.conicEqualArea = function() { + return d3_geo_conic(d3_geo_conicEqualArea); + }).raw = d3_geo_conicEqualArea; + d3.geo.albers = function() { + return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); + }; + d3.geo.albersUsa = function() { + var lower48 = d3.geo.albers(); + var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); + var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); + var point, pointStream = { + point: function(x, y) { + point = [ x, y ]; + } + }, lower48Point, alaskaPoint, hawaiiPoint; + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + point = null; + (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); + return point; + } + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; + return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); + }; + albersUsa.stream = function(stream) { + var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); + return { + point: function(x, y) { + lower48Stream.point(x, y); + alaskaStream.point(x, y); + hawaiiStream.point(x, y); + }, + sphere: function() { + lower48Stream.sphere(); + alaskaStream.sphere(); + hawaiiStream.sphere(); + }, + lineStart: function() { + lower48Stream.lineStart(); + alaskaStream.lineStart(); + hawaiiStream.lineStart(); + }, + lineEnd: function() { + lower48Stream.lineEnd(); + alaskaStream.lineEnd(); + hawaiiStream.lineEnd(); + }, + polygonStart: function() { + lower48Stream.polygonStart(); + alaskaStream.polygonStart(); + hawaiiStream.polygonStart(); + }, + polygonEnd: function() { + lower48Stream.polygonEnd(); + alaskaStream.polygonEnd(); + hawaiiStream.polygonEnd(); + } + }; + }; + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_); + alaska.precision(_); + hawaii.precision(_); + return albersUsa; + }; + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_); + alaska.scale(_ * .35); + hawaii.scale(_); + return albersUsa.translate(lower48.translate()); + }; + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; + lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; + alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; + hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; + return albersUsa; + }; + return albersUsa.scale(1070); + }; + var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = { + point: d3_noop, + lineStart: d3_noop, + lineEnd: d3_noop, + polygonStart: function() { + d3_geo_pathAreaPolygon = 0; + d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart; + }, + polygonEnd: function() { + d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop; + d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2); + } + }; + function d3_geo_pathAreaRingStart() { + var x00, y00, x0, y0; + d3_geo_pathArea.point = function(x, y) { + d3_geo_pathArea.point = nextPoint; + x00 = x0 = x, y00 = y0 = y; + }; + function nextPoint(x, y) { + d3_geo_pathAreaPolygon += y0 * x - x0 * y; + x0 = x, y0 = y; + } + d3_geo_pathArea.lineEnd = function() { + nextPoint(x00, y00); + }; + } + var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; + var d3_geo_pathBounds = { + point: d3_geo_pathBoundsPoint, + lineStart: d3_noop, + lineEnd: d3_noop, + polygonStart: d3_noop, + polygonEnd: d3_noop + }; + function d3_geo_pathBoundsPoint(x, y) { + if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; + if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; + if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; + if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; + } + function d3_geo_pathBuffer() { + var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = []; + var stream = { + point: point, + lineStart: function() { + stream.point = pointLineStart; + }, + lineEnd: lineEnd, + polygonStart: function() { + stream.lineEnd = lineEndPolygon; + }, + polygonEnd: function() { + stream.lineEnd = lineEnd; + stream.point = point; + }, + pointRadius: function(_) { + pointCircle = d3_geo_pathBufferCircle(_); + return stream; + }, + result: function() { + if (buffer.length) { + var result = buffer.join(""); + buffer = []; + return result; + } + } + }; + function point(x, y) { + buffer.push("M", x, ",", y, pointCircle); + } + function pointLineStart(x, y) { + buffer.push("M", x, ",", y); + stream.point = pointLine; + } + function pointLine(x, y) { + buffer.push("L", x, ",", y); + } + function lineEnd() { + stream.point = point; + } + function lineEndPolygon() { + buffer.push("Z"); + } + return stream; + } + function d3_geo_pathBufferCircle(radius) { + return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; + } + var d3_geo_pathCentroid = { + point: d3_geo_pathCentroidPoint, + lineStart: d3_geo_pathCentroidLineStart, + lineEnd: d3_geo_pathCentroidLineEnd, + polygonStart: function() { + d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart; + }, + polygonEnd: function() { + d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; + d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart; + d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd; + } + }; + function d3_geo_pathCentroidPoint(x, y) { + d3_geo_centroidX0 += x; + d3_geo_centroidY0 += y; + ++d3_geo_centroidZ0; + } + function d3_geo_pathCentroidLineStart() { + var x0, y0; + d3_geo_pathCentroid.point = function(x, y) { + d3_geo_pathCentroid.point = nextPoint; + d3_geo_pathCentroidPoint(x0 = x, y0 = y); + }; + function nextPoint(x, y) { + var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); + d3_geo_centroidX1 += z * (x0 + x) / 2; + d3_geo_centroidY1 += z * (y0 + y) / 2; + d3_geo_centroidZ1 += z; + d3_geo_pathCentroidPoint(x0 = x, y0 = y); + } + } + function d3_geo_pathCentroidLineEnd() { + d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; + } + function d3_geo_pathCentroidRingStart() { + var x00, y00, x0, y0; + d3_geo_pathCentroid.point = function(x, y) { + d3_geo_pathCentroid.point = nextPoint; + d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); + }; + function nextPoint(x, y) { + var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); + d3_geo_centroidX1 += z * (x0 + x) / 2; + d3_geo_centroidY1 += z * (y0 + y) / 2; + d3_geo_centroidZ1 += z; + z = y0 * x - x0 * y; + d3_geo_centroidX2 += z * (x0 + x); + d3_geo_centroidY2 += z * (y0 + y); + d3_geo_centroidZ2 += z * 3; + d3_geo_pathCentroidPoint(x0 = x, y0 = y); + } + d3_geo_pathCentroid.lineEnd = function() { + nextPoint(x00, y00); + }; + } + function d3_geo_pathContext(context) { + var pointRadius = 4.5; + var stream = { + point: point, + lineStart: function() { + stream.point = pointLineStart; + }, + lineEnd: lineEnd, + polygonStart: function() { + stream.lineEnd = lineEndPolygon; + }, + polygonEnd: function() { + stream.lineEnd = lineEnd; + stream.point = point; + }, + pointRadius: function(_) { + pointRadius = _; + return stream; + }, + result: d3_noop + }; + function point(x, y) { + context.moveTo(x + pointRadius, y); + context.arc(x, y, pointRadius, 0, τ); + } + function pointLineStart(x, y) { + context.moveTo(x, y); + stream.point = pointLine; + } + function pointLine(x, y) { + context.lineTo(x, y); + } + function lineEnd() { + stream.point = point; + } + function lineEndPolygon() { + context.closePath(); + } + return stream; + } + function d3_geo_resample(project) { + var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; + function resample(stream) { + return (maxDepth ? resampleRecursive : resampleNone)(stream); + } + function resampleNone(stream) { + return d3_geo_transformPoint(stream, function(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + }); + } + function resampleRecursive(stream) { + var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; + var resample = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + stream.polygonStart(); + resample.lineStart = ringStart; + }, + polygonEnd: function() { + stream.polygonEnd(); + resample.lineStart = lineStart; + } + }; + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + } + function lineStart() { + x0 = NaN; + resample.point = linePoint; + stream.lineStart(); + } + function linePoint(λ, φ) { + var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ); + resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); + } + function lineEnd() { + resample.point = point; + stream.lineEnd(); + } + function ringStart() { + lineStart(); + resample.point = ringPoint; + resample.lineEnd = ringEnd; + } + function ringPoint(λ, φ) { + linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resample.point = linePoint; + } + function ringEnd() { + resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream); + resample.lineEnd = lineEnd; + lineEnd(); + } + return resample; + } + function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy; + if (d2 > 4 * δ2 && depth--) { + var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { + resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream); + } + } + } + resample.precision = function(_) { + if (!arguments.length) return Math.sqrt(δ2); + maxDepth = (δ2 = _ * _) > 0 && 16; + return resample; + }; + return resample; + } + d3.geo.path = function() { + var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream; + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream); + d3.geo.stream(object, cacheStream); + } + return contextStream.result(); + } + path.area = function(object) { + d3_geo_pathAreaSum = 0; + d3.geo.stream(object, projectStream(d3_geo_pathArea)); + return d3_geo_pathAreaSum; + }; + path.centroid = function(object) { + d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; + d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); + return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ]; + }; + path.bounds = function(object) { + d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity); + d3.geo.stream(object, projectStream(d3_geo_pathBounds)); + return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ]; + }; + path.projection = function(_) { + if (!arguments.length) return projection; + projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; + return reset(); + }; + path.context = function(_) { + if (!arguments.length) return context; + contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return reset(); + }; + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; + function reset() { + cacheStream = null; + return path; + } + return path.projection(d3.geo.albersUsa()).context(null); + }; + function d3_geo_pathProjectStream(project) { + var resample = d3_geo_resample(function(x, y) { + return project([ x * d3_degrees, y * d3_degrees ]); + }); + return function(stream) { + return d3_geo_projectionRadians(resample(stream)); + }; + } + d3.geo.transform = function(methods) { + return { + stream: function(stream) { + var transform = new d3_geo_transform(stream); + for (var k in methods) transform[k] = methods[k]; + return transform; + } + }; + }; + function d3_geo_transform(stream) { + this.stream = stream; + } + d3_geo_transform.prototype = { + point: function(x, y) { + this.stream.point(x, y); + }, + sphere: function() { + this.stream.sphere(); + }, + lineStart: function() { + this.stream.lineStart(); + }, + lineEnd: function() { + this.stream.lineEnd(); + }, + polygonStart: function() { + this.stream.polygonStart(); + }, + polygonEnd: function() { + this.stream.polygonEnd(); + } + }; + function d3_geo_transformPoint(stream, point) { + return { + point: point, + sphere: function() { + stream.sphere(); + }, + lineStart: function() { + stream.lineStart(); + }, + lineEnd: function() { + stream.lineEnd(); + }, + polygonStart: function() { + stream.polygonStart(); + }, + polygonEnd: function() { + stream.polygonEnd(); + } + }; + } + d3.geo.projection = d3_geo_projection; + d3.geo.projectionMutator = d3_geo_projectionMutator; + function d3_geo_projection(project) { + return d3_geo_projectionMutator(function() { + return project; + })(); + } + function d3_geo_projectionMutator(projectAt) { + var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) { + x = project(x, y); + return [ x[0] * k + δx, δy - x[1] * k ]; + }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream; + function projection(point) { + point = projectRotate(point[0] * d3_radians, point[1] * d3_radians); + return [ point[0] * k + δx, δy - point[1] * k ]; + } + function invert(point) { + point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k); + return point && [ point[0] * d3_degrees, point[1] * d3_degrees ]; + } + projection.stream = function(output) { + if (stream) stream.valid = false; + stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output)))); + stream.valid = true; + return stream; + }; + projection.clipAngle = function(_) { + if (!arguments.length) return clipAngle; + preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians); + return invalidate(); + }; + projection.clipExtent = function(_) { + if (!arguments.length) return clipExtent; + clipExtent = _; + postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity; + return invalidate(); + }; + projection.scale = function(_) { + if (!arguments.length) return k; + k = +_; + return reset(); + }; + projection.translate = function(_) { + if (!arguments.length) return [ x, y ]; + x = +_[0]; + y = +_[1]; + return reset(); + }; + projection.center = function(_) { + if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ]; + λ = _[0] % 360 * d3_radians; + φ = _[1] % 360 * d3_radians; + return reset(); + }; + projection.rotate = function(_) { + if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ]; + δλ = _[0] % 360 * d3_radians; + δφ = _[1] % 360 * d3_radians; + δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0; + return reset(); + }; + d3.rebind(projection, projectResample, "precision"); + function reset() { + projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project); + var center = project(λ, φ); + δx = x - center[0] * k; + δy = y + center[1] * k; + return invalidate(); + } + function invalidate() { + if (stream) stream.valid = false, stream = null; + return projection; + } + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return reset(); + }; + } + function d3_geo_projectionRadians(stream) { + return d3_geo_transformPoint(stream, function(x, y) { + stream.point(x * d3_radians, y * d3_radians); + }); + } + function d3_geo_equirectangular(λ, φ) { + return [ λ, φ ]; + } + (d3.geo.equirectangular = function() { + return d3_geo_projection(d3_geo_equirectangular); + }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular; + d3.geo.rotation = function(rotate) { + rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0); + function forward(coordinates) { + coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians); + return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; + } + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians); + return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; + }; + return forward; + }; + function d3_geo_identityRotation(λ, φ) { + return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; + } + d3_geo_identityRotation.invert = d3_geo_equirectangular; + function d3_geo_rotation(δλ, δφ, δγ) { + return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation; + } + function d3_geo_forwardRotationλ(δλ) { + return function(λ, φ) { + return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; + }; + } + function d3_geo_rotationλ(δλ) { + var rotation = d3_geo_forwardRotationλ(δλ); + rotation.invert = d3_geo_forwardRotationλ(-δλ); + return rotation; + } + function d3_geo_rotationφγ(δφ, δγ) { + var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ); + function rotation(λ, φ) { + var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ; + return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ]; + } + rotation.invert = function(λ, φ) { + var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ; + return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ]; + }; + return rotation; + } + d3.geo.circle = function() { + var origin = [ 0, 0 ], angle, precision = 6, interpolate; + function circle() { + var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = []; + interpolate(null, null, 1, { + point: function(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= d3_degrees, x[1] *= d3_degrees; + } + }); + return { + type: "Polygon", + coordinates: [ ring ] + }; + } + circle.origin = function(x) { + if (!arguments.length) return origin; + origin = x; + return circle; + }; + circle.angle = function(x) { + if (!arguments.length) return angle; + interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians); + return circle; + }; + circle.precision = function(_) { + if (!arguments.length) return precision; + interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians); + return circle; + }; + return circle.angle(90); + }; + function d3_geo_circleInterpolate(radius, precision) { + var cr = Math.cos(radius), sr = Math.sin(radius); + return function(from, to, direction, listener) { + var step = direction * precision; + if (from != null) { + from = d3_geo_circleAngle(cr, from); + to = d3_geo_circleAngle(cr, to); + if (direction > 0 ? from < to : from > to) from += direction * τ; + } else { + from = radius + direction * τ; + to = radius - .5 * step; + } + for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) { + listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]); + } + }; + } + function d3_geo_circleAngle(cr, point) { + var a = d3_geo_cartesian(point); + a[0] -= cr; + d3_geo_cartesianNormalize(a); + var angle = d3_acos(-a[1]); + return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI); + } + d3.geo.distance = function(a, b) { + var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t; + return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ); + }; + d3.geo.graticule = function() { + var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5; + function graticule() { + return { + type: "MultiLineString", + coordinates: lines() + }; + } + function lines() { + return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) { + return abs(x % DX) > ε; + }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) { + return abs(y % DY) > ε; + }).map(y)); + } + graticule.lines = function() { + return lines().map(function(coordinates) { + return { + type: "LineString", + coordinates: coordinates + }; + }); + }; + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ] + }; + }; + graticule.extent = function(_) { + if (!arguments.length) return graticule.minorExtent(); + return graticule.majorExtent(_).minorExtent(_); + }; + graticule.majorExtent = function(_) { + if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; + graticule.minorExtent = function(_) { + if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; + graticule.step = function(_) { + if (!arguments.length) return graticule.minorStep(); + return graticule.majorStep(_).minorStep(_); + }; + graticule.majorStep = function(_) { + if (!arguments.length) return [ DX, DY ]; + DX = +_[0], DY = +_[1]; + return graticule; + }; + graticule.minorStep = function(_) { + if (!arguments.length) return [ dx, dy ]; + dx = +_[0], dy = +_[1]; + return graticule; + }; + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = d3_geo_graticuleX(y0, y1, 90); + y = d3_geo_graticuleY(x0, x1, precision); + X = d3_geo_graticuleX(Y0, Y1, 90); + Y = d3_geo_graticuleY(X0, X1, precision); + return graticule; + }; + return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]); + }; + function d3_geo_graticuleX(y0, y1, dy) { + var y = d3.range(y0, y1 - ε, dy).concat(y1); + return function(x) { + return y.map(function(y) { + return [ x, y ]; + }); + }; + } + function d3_geo_graticuleY(x0, x1, dx) { + var x = d3.range(x0, x1 - ε, dx).concat(x1); + return function(y) { + return x.map(function(x) { + return [ x, y ]; + }); + }; + } + function d3_source(d) { + return d.source; + } + function d3_target(d) { + return d.target; + } + d3.geo.greatArc = function() { + var source = d3_source, source_, target = d3_target, target_; + function greatArc() { + return { + type: "LineString", + coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ] + }; + } + greatArc.distance = function() { + return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments)); + }; + greatArc.source = function(_) { + if (!arguments.length) return source; + source = _, source_ = typeof _ === "function" ? null : _; + return greatArc; + }; + greatArc.target = function(_) { + if (!arguments.length) return target; + target = _, target_ = typeof _ === "function" ? null : _; + return greatArc; + }; + greatArc.precision = function() { + return arguments.length ? greatArc : 0; + }; + return greatArc; + }; + d3.geo.interpolate = function(source, target) { + return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians); + }; + function d3_geo_interpolate(x0, y0, x1, y1) { + var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d); + var interpolate = d ? function(t) { + var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1; + return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ]; + } : function() { + return [ x0 * d3_degrees, y0 * d3_degrees ]; + }; + interpolate.distance = d; + return interpolate; + } + d3.geo.length = function(object) { + d3_geo_lengthSum = 0; + d3.geo.stream(object, d3_geo_length); + return d3_geo_lengthSum; + }; + var d3_geo_lengthSum; + var d3_geo_length = { + sphere: d3_noop, + point: d3_noop, + lineStart: d3_geo_lengthLineStart, + lineEnd: d3_noop, + polygonStart: d3_noop, + polygonEnd: d3_noop + }; + function d3_geo_lengthLineStart() { + var λ0, sinφ0, cosφ0; + d3_geo_length.point = function(λ, φ) { + λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ); + d3_geo_length.point = nextPoint; + }; + d3_geo_length.lineEnd = function() { + d3_geo_length.point = d3_geo_length.lineEnd = d3_noop; + }; + function nextPoint(λ, φ) { + var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t); + d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ); + λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ; + } + } + function d3_geo_azimuthal(scale, angle) { + function azimuthal(λ, φ) { + var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ); + return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ]; + } + azimuthal.invert = function(x, y) { + var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c); + return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ]; + }; + return azimuthal; + } + var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) { + return Math.sqrt(2 / (1 + cosλcosφ)); + }, function(ρ) { + return 2 * Math.asin(ρ / 2); + }); + (d3.geo.azimuthalEqualArea = function() { + return d3_geo_projection(d3_geo_azimuthalEqualArea); + }).raw = d3_geo_azimuthalEqualArea; + var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) { + var c = Math.acos(cosλcosφ); + return c && c / Math.sin(c); + }, d3_identity); + (d3.geo.azimuthalEquidistant = function() { + return d3_geo_projection(d3_geo_azimuthalEquidistant); + }).raw = d3_geo_azimuthalEquidistant; + function d3_geo_conicConformal(φ0, φ1) { + var cosφ0 = Math.cos(φ0), t = function(φ) { + return Math.tan(π / 4 + φ / 2); + }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n; + if (!n) return d3_geo_mercator; + function forward(λ, φ) { + if (F > 0) { + if (φ < -halfπ + ε) φ = -halfπ + ε; + } else { + if (φ > halfπ - ε) φ = halfπ - ε; + } + var ρ = F / Math.pow(t(φ), n); + return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ]; + } + forward.invert = function(x, y) { + var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y); + return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ]; + }; + return forward; + } + (d3.geo.conicConformal = function() { + return d3_geo_conic(d3_geo_conicConformal); + }).raw = d3_geo_conicConformal; + function d3_geo_conicEquidistant(φ0, φ1) { + var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0; + if (abs(n) < ε) return d3_geo_equirectangular; + function forward(λ, φ) { + var ρ = G - φ; + return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ]; + } + forward.invert = function(x, y) { + var ρ0_y = G - y; + return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ]; + }; + return forward; + } + (d3.geo.conicEquidistant = function() { + return d3_geo_conic(d3_geo_conicEquidistant); + }).raw = d3_geo_conicEquidistant; + var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) { + return 1 / cosλcosφ; + }, Math.atan); + (d3.geo.gnomonic = function() { + return d3_geo_projection(d3_geo_gnomonic); + }).raw = d3_geo_gnomonic; + function d3_geo_mercator(λ, φ) { + return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ]; + } + d3_geo_mercator.invert = function(x, y) { + return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ]; + }; + function d3_geo_mercatorProjection(project) { + var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto; + m.scale = function() { + var v = scale.apply(m, arguments); + return v === m ? clipAuto ? m.clipExtent(null) : m : v; + }; + m.translate = function() { + var v = translate.apply(m, arguments); + return v === m ? clipAuto ? m.clipExtent(null) : m : v; + }; + m.clipExtent = function(_) { + var v = clipExtent.apply(m, arguments); + if (v === m) { + if (clipAuto = _ == null) { + var k = π * scale(), t = translate(); + clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]); + } + } else if (clipAuto) { + v = null; + } + return v; + }; + return m.clipExtent(null); + } + (d3.geo.mercator = function() { + return d3_geo_mercatorProjection(d3_geo_mercator); + }).raw = d3_geo_mercator; + var d3_geo_orthographic = d3_geo_azimuthal(function() { + return 1; + }, Math.asin); + (d3.geo.orthographic = function() { + return d3_geo_projection(d3_geo_orthographic); + }).raw = d3_geo_orthographic; + var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) { + return 1 / (1 + cosλcosφ); + }, function(ρ) { + return 2 * Math.atan(ρ); + }); + (d3.geo.stereographic = function() { + return d3_geo_projection(d3_geo_stereographic); + }).raw = d3_geo_stereographic; + function d3_geo_transverseMercator(λ, φ) { + return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ]; + } + d3_geo_transverseMercator.invert = function(x, y) { + return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ]; + }; + (d3.geo.transverseMercator = function() { + var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate; + projection.center = function(_) { + return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]); + }; + projection.rotate = function(_) { + return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), + [ _[0], _[1], _[2] - 90 ]); + }; + return rotate([ 0, 0, 90 ]); + }).raw = d3_geo_transverseMercator; + d3.geom = {}; + function d3_geom_pointX(d) { + return d[0]; + } + function d3_geom_pointY(d) { + return d[1]; + } + d3.geom.hull = function(vertices) { + var x = d3_geom_pointX, y = d3_geom_pointY; + if (arguments.length) return hull(vertices); + function hull(data) { + if (data.length < 3) return []; + var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = []; + for (i = 0; i < n; i++) { + points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]); + } + points.sort(d3_geom_hullOrder); + for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]); + var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints); + var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = []; + for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]); + for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]); + return polygon; + } + hull.x = function(_) { + return arguments.length ? (x = _, hull) : x; + }; + hull.y = function(_) { + return arguments.length ? (y = _, hull) : y; + }; + return hull; + }; + function d3_geom_hullUpper(points) { + var n = points.length, hull = [ 0, 1 ], hs = 2; + for (var i = 2; i < n; i++) { + while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs; + hull[hs++] = i; + } + return hull.slice(0, hs); + } + function d3_geom_hullOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; + } + d3.geom.polygon = function(coordinates) { + d3_subclass(coordinates, d3_geom_polygonPrototype); + return coordinates; + }; + var d3_geom_polygonPrototype = d3.geom.polygon.prototype = []; + d3_geom_polygonPrototype.area = function() { + var i = -1, n = this.length, a, b = this[n - 1], area = 0; + while (++i < n) { + a = b; + b = this[i]; + area += a[1] * b[0] - a[0] * b[1]; + } + return area * .5; + }; + d3_geom_polygonPrototype.centroid = function(k) { + var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c; + if (!arguments.length) k = -1 / (6 * this.area()); + while (++i < n) { + a = b; + b = this[i]; + c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; + } + return [ x * k, y * k ]; + }; + d3_geom_polygonPrototype.clip = function(subject) { + var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d; + while (++i < n) { + input = subject.slice(); + subject.length = 0; + b = this[i]; + c = input[(m = input.length - closed) - 1]; + j = -1; + while (++j < m) { + d = input[j]; + if (d3_geom_polygonInside(d, a, b)) { + if (!d3_geom_polygonInside(c, a, b)) { + subject.push(d3_geom_polygonIntersect(c, d, a, b)); + } + subject.push(d); + } else if (d3_geom_polygonInside(c, a, b)) { + subject.push(d3_geom_polygonIntersect(c, d, a, b)); + } + c = d; + } + if (closed) subject.push(subject[0]); + a = b; + } + return subject; + }; + function d3_geom_polygonInside(p, a, b) { + return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]); + } + function d3_geom_polygonIntersect(c, d, a, b) { + var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21); + return [ x1 + ua * x21, y1 + ua * y21 ]; + } + function d3_geom_polygonClosed(coordinates) { + var a = coordinates[0], b = coordinates[coordinates.length - 1]; + return !(a[0] - b[0] || a[1] - b[1]); + } + var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = []; + function d3_geom_voronoiBeach() { + d3_geom_voronoiRedBlackNode(this); + this.edge = this.site = this.circle = null; + } + function d3_geom_voronoiCreateBeach(site) { + var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach(); + beach.site = site; + return beach; + } + function d3_geom_voronoiDetachBeach(beach) { + d3_geom_voronoiDetachCircle(beach); + d3_geom_voronoiBeaches.remove(beach); + d3_geom_voronoiBeachPool.push(beach); + d3_geom_voronoiRedBlackNode(beach); + } + function d3_geom_voronoiRemoveBeach(beach) { + var circle = beach.circle, x = circle.x, y = circle.cy, vertex = { + x: x, + y: y + }, previous = beach.P, next = beach.N, disappearing = [ beach ]; + d3_geom_voronoiDetachBeach(beach); + var lArc = previous; + while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) { + previous = lArc.P; + disappearing.unshift(lArc); + d3_geom_voronoiDetachBeach(lArc); + lArc = previous; + } + disappearing.unshift(lArc); + d3_geom_voronoiDetachCircle(lArc); + var rArc = next; + while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) { + next = rArc.N; + disappearing.push(rArc); + d3_geom_voronoiDetachBeach(rArc); + rArc = next; + } + disappearing.push(rArc); + d3_geom_voronoiDetachCircle(rArc); + var nArcs = disappearing.length, iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex); + d3_geom_voronoiAttachCircle(lArc); + d3_geom_voronoiAttachCircle(rArc); + } + function d3_geom_voronoiAddBeach(site) { + var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._; + while (node) { + dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x; + if (dxl > ε) node = node.L; else { + dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix); + if (dxr > ε) { + if (!node.R) { + lArc = node; + break; + } + node = node.R; + } else { + if (dxl > -ε) { + lArc = node.P; + rArc = node; + } else if (dxr > -ε) { + lArc = node; + rArc = node.N; + } else { + lArc = rArc = node; + } + break; + } + } + } + var newArc = d3_geom_voronoiCreateBeach(site); + d3_geom_voronoiBeaches.insert(lArc, newArc); + if (!lArc && !rArc) return; + if (lArc === rArc) { + d3_geom_voronoiDetachCircle(lArc); + rArc = d3_geom_voronoiCreateBeach(lArc.site); + d3_geom_voronoiBeaches.insert(newArc, rArc); + newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); + d3_geom_voronoiAttachCircle(lArc); + d3_geom_voronoiAttachCircle(rArc); + return; + } + if (!rArc) { + newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); + return; + } + d3_geom_voronoiDetachCircle(lArc); + d3_geom_voronoiDetachCircle(rArc); + var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = { + x: (cy * hb - by * hc) / d + ax, + y: (bx * hc - cx * hb) / d + ay + }; + d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex); + rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex); + d3_geom_voronoiAttachCircle(lArc); + d3_geom_voronoiAttachCircle(rArc); + } + function d3_geom_voronoiLeftBreakPoint(arc, directrix) { + var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix; + if (!pby2) return rfocx; + var lArc = arc.P; + if (!lArc) return -Infinity; + site = lArc.site; + var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix; + if (!plby2) return lfocx; + var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2; + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + return (rfocx + lfocx) / 2; + } + function d3_geom_voronoiRightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix); + var site = arc.site; + return site.y === directrix ? site.x : Infinity; + } + function d3_geom_voronoiCell(site) { + this.site = site; + this.edges = []; + } + d3_geom_voronoiCell.prototype.prepare = function() { + var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge; + while (iHalfEdge--) { + edge = halfEdges[iHalfEdge].edge; + if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1); + } + halfEdges.sort(d3_geom_voronoiHalfEdgeOrder); + return halfEdges.length; + }; + function d3_geom_voronoiCloseCells(extent) { + var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end; + while (iCell--) { + cell = cells[iCell]; + if (!cell || !cell.prepare()) continue; + halfEdges = cell.edges; + nHalfEdges = halfEdges.length; + iHalfEdge = 0; + while (iHalfEdge < nHalfEdges) { + end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y; + start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y; + if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) { + halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? { + x: x0, + y: abs(x2 - x0) < ε ? y2 : y1 + } : abs(y3 - y1) < ε && x1 - x3 > ε ? { + x: abs(y2 - y1) < ε ? x2 : x1, + y: y1 + } : abs(x3 - x1) < ε && y3 - y0 > ε ? { + x: x1, + y: abs(x2 - x1) < ε ? y2 : y0 + } : abs(y3 - y0) < ε && x3 - x0 > ε ? { + x: abs(y2 - y0) < ε ? x2 : x0, + y: y0 + } : null), cell.site, null)); + ++nHalfEdges; + } + } + } + } + function d3_geom_voronoiHalfEdgeOrder(a, b) { + return b.angle - a.angle; + } + function d3_geom_voronoiCircle() { + d3_geom_voronoiRedBlackNode(this); + this.x = this.y = this.arc = this.site = this.cy = null; + } + function d3_geom_voronoiAttachCircle(arc) { + var lArc = arc.P, rArc = arc.N; + if (!lArc || !rArc) return; + var lSite = lArc.site, cSite = arc.site, rSite = rArc.site; + if (lSite === rSite) return; + var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by; + var d = 2 * (ax * cy - ay * cx); + if (d >= -ε2) return; + var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by; + var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle(); + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = cy + Math.sqrt(x * x + y * y); + circle.cy = cy; + arc.circle = circle; + var before = null, node = d3_geom_voronoiCircles._; + while (node) { + if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) { + if (node.L) node = node.L; else { + before = node.P; + break; + } + } else { + if (node.R) node = node.R; else { + before = node; + break; + } + } + } + d3_geom_voronoiCircles.insert(before, circle); + if (!before) d3_geom_voronoiFirstCircle = circle; + } + function d3_geom_voronoiDetachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) d3_geom_voronoiFirstCircle = circle.N; + d3_geom_voronoiCircles.remove(circle); + d3_geom_voronoiCirclePool.push(circle); + d3_geom_voronoiRedBlackNode(circle); + arc.circle = null; + } + } + function d3_geom_voronoiClipEdges(extent) { + var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e; + while (i--) { + e = edges[i]; + if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) { + e.a = e.b = null; + edges.splice(i, 1); + } + } + } + function d3_geom_voronoiConnectEdge(edge, extent) { + var vb = edge.b; + if (vb) return true; + var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb; + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!va) va = { + x: fx, + y: y0 + }; else if (va.y >= y1) return; + vb = { + x: fx, + y: y1 + }; + } else { + if (!va) va = { + x: fx, + y: y1 + }; else if (va.y < y0) return; + vb = { + x: fx, + y: y0 + }; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!va) va = { + x: (y0 - fb) / fm, + y: y0 + }; else if (va.y >= y1) return; + vb = { + x: (y1 - fb) / fm, + y: y1 + }; + } else { + if (!va) va = { + x: (y1 - fb) / fm, + y: y1 + }; else if (va.y < y0) return; + vb = { + x: (y0 - fb) / fm, + y: y0 + }; + } + } else { + if (ly < ry) { + if (!va) va = { + x: x0, + y: fm * x0 + fb + }; else if (va.x >= x1) return; + vb = { + x: x1, + y: fm * x1 + fb + }; + } else { + if (!va) va = { + x: x1, + y: fm * x1 + fb + }; else if (va.x < x0) return; + vb = { + x: x0, + y: fm * x0 + fb + }; + } + } + } + edge.a = va; + edge.b = vb; + return true; + } + function d3_geom_voronoiEdge(lSite, rSite) { + this.l = lSite; + this.r = rSite; + this.a = this.b = null; + } + function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) { + var edge = new d3_geom_voronoiEdge(lSite, rSite); + d3_geom_voronoiEdges.push(edge); + if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va); + if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb); + d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite)); + d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite)); + return edge; + } + function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) { + var edge = new d3_geom_voronoiEdge(lSite, null); + edge.a = va; + edge.b = vb; + d3_geom_voronoiEdges.push(edge); + return edge; + } + function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) { + if (!edge.a && !edge.b) { + edge.a = vertex; + edge.l = lSite; + edge.r = rSite; + } else if (edge.l === rSite) { + edge.b = vertex; + } else { + edge.a = vertex; + } + } + function d3_geom_voronoiHalfEdge(edge, lSite, rSite) { + var va = edge.a, vb = edge.b; + this.edge = edge; + this.site = lSite; + this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y); + } + d3_geom_voronoiHalfEdge.prototype = { + start: function() { + return this.edge.l === this.site ? this.edge.a : this.edge.b; + }, + end: function() { + return this.edge.l === this.site ? this.edge.b : this.edge.a; + } + }; + function d3_geom_voronoiRedBlackTree() { + this._ = null; + } + function d3_geom_voronoiRedBlackNode(node) { + node.U = node.C = node.L = node.R = node.P = node.N = null; + } + d3_geom_voronoiRedBlackTree.prototype = { + insert: function(after, node) { + var parent, grandpa, uncle; + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = d3_geom_voronoiRedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; + } + node.L = node.R = null; + node.U = parent; + node.C = true; + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + d3_geom_voronoiRedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + d3_geom_voronoiRedBlackRotateRight(this, grandpa); + } + } else { + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + d3_geom_voronoiRedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + d3_geom_voronoiRedBlackRotateLeft(this, grandpa); + } + } + parent = after.U; + } + this._.C = false; + }, + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; + var parent = node.U, sibling, left = node.L, right = node.R, next, red; + if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right); + if (parent) { + if (parent.L === node) parent.L = next; else parent.R = next; + } else { + this._ = next; + } + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; + } + } else { + red = node.C; + node = next; + } + if (node) node.U = parent; + if (red) return; + if (node && node.C) { + node.C = false; + return; + } + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + d3_geom_voronoiRedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + d3_geom_voronoiRedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + d3_geom_voronoiRedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + d3_geom_voronoiRedBlackRotateRight(this, parent); + sibling = parent.L; + } + if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + d3_geom_voronoiRedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + d3_geom_voronoiRedBlackRotateRight(this, parent); + node = this._; + break; + } + } + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); + if (node) node.C = false; + } + }; + function d3_geom_voronoiRedBlackRotateLeft(tree, node) { + var p = node, q = node.R, parent = p.U; + if (parent) { + if (parent.L === p) parent.L = q; else parent.R = q; + } else { + tree._ = q; + } + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; + } + function d3_geom_voronoiRedBlackRotateRight(tree, node) { + var p = node, q = node.L, parent = p.U; + if (parent) { + if (parent.L === p) parent.L = q; else parent.R = q; + } else { + tree._ = q; + } + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; + } + function d3_geom_voronoiRedBlackFirst(node) { + while (node.L) node = node.L; + return node; + } + function d3_geom_voronoi(sites, bbox) { + var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle; + d3_geom_voronoiEdges = []; + d3_geom_voronoiCells = new Array(sites.length); + d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree(); + d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree(); + while (true) { + circle = d3_geom_voronoiFirstCircle; + if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) { + if (site.x !== x0 || site.y !== y0) { + d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site); + d3_geom_voronoiAddBeach(site); + x0 = site.x, y0 = site.y; + } + site = sites.pop(); + } else if (circle) { + d3_geom_voronoiRemoveBeach(circle.arc); + } else { + break; + } + } + if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox); + var diagram = { + cells: d3_geom_voronoiCells, + edges: d3_geom_voronoiEdges + }; + d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null; + return diagram; + } + function d3_geom_voronoiVertexOrder(a, b) { + return b.y - a.y || b.x - a.x; + } + d3.geom.voronoi = function(points) { + var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent; + if (points) return voronoi(points); + function voronoi(data) { + var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1]; + d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) { + var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) { + var s = e.start(); + return [ s.x, s.y ]; + }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : []; + polygon.point = data[i]; + }); + return polygons; + } + function sites(data) { + return data.map(function(d, i) { + return { + x: Math.round(fx(d, i) / ε) * ε, + y: Math.round(fy(d, i) / ε) * ε, + i: i + }; + }); + } + voronoi.links = function(data) { + return d3_geom_voronoi(sites(data)).edges.filter(function(edge) { + return edge.l && edge.r; + }).map(function(edge) { + return { + source: data[edge.l.i], + target: data[edge.r.i] + }; + }); + }; + voronoi.triangles = function(data) { + var triangles = []; + d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) { + var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l; + while (++j < m) { + e0 = e1; + s0 = s1; + e1 = edges[j].edge; + s1 = e1.l === site ? e1.r : e1.l; + if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) { + triangles.push([ data[i], data[s0.i], data[s1.i] ]); + } + } + }); + return triangles; + }; + voronoi.x = function(_) { + return arguments.length ? (fx = d3_functor(x = _), voronoi) : x; + }; + voronoi.y = function(_) { + return arguments.length ? (fy = d3_functor(y = _), voronoi) : y; + }; + voronoi.clipExtent = function(_) { + if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent; + clipExtent = _ == null ? d3_geom_voronoiClipExtent : _; + return voronoi; + }; + voronoi.size = function(_) { + if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1]; + return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]); + }; + return voronoi; + }; + var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ]; + function d3_geom_voronoiTriangleArea(a, b, c) { + return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y); + } + d3.geom.delaunay = function(vertices) { + return d3.geom.voronoi().triangles(vertices); + }; + d3.geom.quadtree = function(points, x1, y1, x2, y2) { + var x = d3_geom_pointX, y = d3_geom_pointY, compat; + if (compat = arguments.length) { + x = d3_geom_quadtreeCompatX; + y = d3_geom_quadtreeCompatY; + if (compat === 3) { + y2 = y1; + x2 = x1; + y1 = x1 = 0; + } + return quadtree(points); + } + function quadtree(data) { + var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_; + if (x1 != null) { + x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2; + } else { + x2_ = y2_ = -(x1_ = y1_ = Infinity); + xs = [], ys = []; + n = data.length; + if (compat) for (i = 0; i < n; ++i) { + d = data[i]; + if (d.x < x1_) x1_ = d.x; + if (d.y < y1_) y1_ = d.y; + if (d.x > x2_) x2_ = d.x; + if (d.y > y2_) y2_ = d.y; + xs.push(d.x); + ys.push(d.y); + } else for (i = 0; i < n; ++i) { + var x_ = +fx(d = data[i], i), y_ = +fy(d, i); + if (x_ < x1_) x1_ = x_; + if (y_ < y1_) y1_ = y_; + if (x_ > x2_) x2_ = x_; + if (y_ > y2_) y2_ = y_; + xs.push(x_); + ys.push(y_); + } + } + var dx = x2_ - x1_, dy = y2_ - y1_; + if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy; + function insert(n, d, x, y, x1, y1, x2, y2) { + if (isNaN(x) || isNaN(y)) return; + if (n.leaf) { + var nx = n.x, ny = n.y; + if (nx != null) { + if (abs(nx - x) + abs(ny - y) < .01) { + insertChild(n, d, x, y, x1, y1, x2, y2); + } else { + var nPoint = n.point; + n.x = n.y = n.point = null; + insertChild(n, nPoint, nx, ny, x1, y1, x2, y2); + insertChild(n, d, x, y, x1, y1, x2, y2); + } + } else { + n.x = x, n.y = y, n.point = d; + } + } else { + insertChild(n, d, x, y, x1, y1, x2, y2); + } + } + function insertChild(n, d, x, y, x1, y1, x2, y2) { + var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right; + n.leaf = false; + n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); + if (right) x1 = xm; else x2 = xm; + if (below) y1 = ym; else y2 = ym; + insert(n, d, x, y, x1, y1, x2, y2); + } + var root = d3_geom_quadtreeNode(); + root.add = function(d) { + insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_); + }; + root.visit = function(f) { + d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_); + }; + root.find = function(point) { + return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_); + }; + i = -1; + if (x1 == null) { + while (++i < n) { + insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_); + } + --i; + } else data.forEach(root.add); + xs = ys = data = d = null; + return root; + } + quadtree.x = function(_) { + return arguments.length ? (x = _, quadtree) : x; + }; + quadtree.y = function(_) { + return arguments.length ? (y = _, quadtree) : y; + }; + quadtree.extent = function(_) { + if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ]; + if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], + y2 = +_[1][1]; + return quadtree; + }; + quadtree.size = function(_) { + if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ]; + if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1]; + return quadtree; + }; + return quadtree; + }; + function d3_geom_quadtreeCompatX(d) { + return d.x; + } + function d3_geom_quadtreeCompatY(d) { + return d.y; + } + function d3_geom_quadtreeNode() { + return { + leaf: true, + nodes: [], + point: null, + x: null, + y: null + }; + } + function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) { + if (!f(node, x1, y1, x2, y2)) { + var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes; + if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy); + if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy); + if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2); + if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2); + } + } + function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) { + var minDistance2 = Infinity, closestPoint; + (function find(node, x1, y1, x2, y2) { + if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return; + if (point = node.point) { + var point, dx = x - point[0], dy = y - point[1], distance2 = dx * dx + dy * dy; + if (distance2 < minDistance2) { + var distance = Math.sqrt(minDistance2 = distance2); + x0 = x - distance, y0 = y - distance; + x3 = x + distance, y3 = y + distance; + closestPoint = point; + } + } + var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym; + for (var i = below << 1 | right, j = i + 4; i < j; ++i) { + if (node = children[i & 3]) switch (i & 3) { + case 0: + find(node, x1, y1, xm, ym); + break; + + case 1: + find(node, xm, y1, x2, ym); + break; + + case 2: + find(node, x1, ym, xm, y2); + break; + + case 3: + find(node, xm, ym, x2, y2); + break; + } + } + })(root, x0, y0, x3, y3); + return closestPoint; + } + d3.interpolateRgb = d3_interpolateRgb; + function d3_interpolateRgb(a, b) { + a = d3.rgb(a); + b = d3.rgb(b); + var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab; + return function(t) { + return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t)); + }; + } + d3.interpolateObject = d3_interpolateObject; + function d3_interpolateObject(a, b) { + var i = {}, c = {}, k; + for (k in a) { + if (k in b) { + i[k] = d3_interpolate(a[k], b[k]); + } else { + c[k] = a[k]; + } + } + for (k in b) { + if (!(k in a)) { + c[k] = b[k]; + } + } + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; + } + d3.interpolateNumber = d3_interpolateNumber; + function d3_interpolateNumber(a, b) { + a = +a, b = +b; + return function(t) { + return a * (1 - t) + b * t; + }; + } + d3.interpolateString = d3_interpolateString; + function d3_interpolateString(a, b) { + var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = []; + a = a + "", b = b + ""; + while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) { + if ((bs = bm.index) > bi) { + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; else s[++i] = bs; + } + if ((am = am[0]) === (bm = bm[0])) { + if (s[i]) s[i] += bm; else s[++i] = bm; + } else { + s[++i] = null; + q.push({ + i: i, + x: d3_interpolateNumber(am, bm) + }); + } + bi = d3_interpolate_numberB.lastIndex; + } + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; else s[++i] = bs; + } + return s.length < 2 ? q[0] ? (b = q[0].x, function(t) { + return b(t) + ""; + }) : function() { + return b; + } : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); + } + var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g"); + d3.interpolate = d3_interpolate; + function d3_interpolate(a, b) { + var i = d3.interpolators.length, f; + while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ; + return f; + } + d3.interpolators = [ function(a, b) { + var t = typeof b; + return (t === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b); + } ]; + d3.interpolateArray = d3_interpolateArray; + function d3_interpolateArray(a, b) { + var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i; + for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i])); + for (;i < na; ++i) c[i] = a[i]; + for (;i < nb; ++i) c[i] = b[i]; + return function(t) { + for (i = 0; i < n0; ++i) c[i] = x[i](t); + return c; + }; + } + var d3_ease_default = function() { + return d3_identity; + }; + var d3_ease = d3.map({ + linear: d3_ease_default, + poly: d3_ease_poly, + quad: function() { + return d3_ease_quad; + }, + cubic: function() { + return d3_ease_cubic; + }, + sin: function() { + return d3_ease_sin; + }, + exp: function() { + return d3_ease_exp; + }, + circle: function() { + return d3_ease_circle; + }, + elastic: d3_ease_elastic, + back: d3_ease_back, + bounce: function() { + return d3_ease_bounce; + } + }); + var d3_ease_mode = d3.map({ + "in": d3_identity, + out: d3_ease_reverse, + "in-out": d3_ease_reflect, + "out-in": function(f) { + return d3_ease_reflect(d3_ease_reverse(f)); + } + }); + d3.ease = function(name) { + var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in"; + t = d3_ease.get(t) || d3_ease_default; + m = d3_ease_mode.get(m) || d3_identity; + return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1)))); + }; + function d3_ease_clamp(f) { + return function(t) { + return t <= 0 ? 0 : t >= 1 ? 1 : f(t); + }; + } + function d3_ease_reverse(f) { + return function(t) { + return 1 - f(1 - t); + }; + } + function d3_ease_reflect(f) { + return function(t) { + return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t)); + }; + } + function d3_ease_quad(t) { + return t * t; + } + function d3_ease_cubic(t) { + return t * t * t; + } + function d3_ease_cubicInOut(t) { + if (t <= 0) return 0; + if (t >= 1) return 1; + var t2 = t * t, t3 = t2 * t; + return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75); + } + function d3_ease_poly(e) { + return function(t) { + return Math.pow(t, e); + }; + } + function d3_ease_sin(t) { + return 1 - Math.cos(t * halfπ); + } + function d3_ease_exp(t) { + return Math.pow(2, 10 * (t - 1)); + } + function d3_ease_circle(t) { + return 1 - Math.sqrt(1 - t * t); + } + function d3_ease_elastic(a, p) { + var s; + if (arguments.length < 2) p = .45; + if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4; + return function(t) { + return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p); + }; + } + function d3_ease_back(s) { + if (!s) s = 1.70158; + return function(t) { + return t * t * ((s + 1) * t - s); + }; + } + function d3_ease_bounce(t) { + return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; + } + d3.interpolateHcl = d3_interpolateHcl; + function d3_interpolateHcl(a, b) { + a = d3.hcl(a); + b = d3.hcl(b); + var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al; + if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac; + if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; + return function(t) { + return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + ""; + }; + } + d3.interpolateHsl = d3_interpolateHsl; + function d3_interpolateHsl(a, b) { + a = d3.hsl(a); + b = d3.hsl(b); + var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al; + if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as; + if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; + return function(t) { + return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + ""; + }; + } + d3.interpolateLab = d3_interpolateLab; + function d3_interpolateLab(a, b) { + a = d3.lab(a); + b = d3.lab(b); + var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab; + return function(t) { + return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; + }; + } + d3.interpolateRound = d3_interpolateRound; + function d3_interpolateRound(a, b) { + b -= a; + return function(t) { + return Math.round(a + b * t); + }; + } + d3.transform = function(string) { + var g = d3_document.createElementNS(d3.ns.prefix.svg, "g"); + return (d3.transform = function(string) { + if (string != null) { + g.setAttribute("transform", string); + var t = g.transform.baseVal.consolidate(); + } + return new d3_transform(t ? t.matrix : d3_transformIdentity); + })(string); + }; + function d3_transform(m) { + var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0; + if (r0[0] * r1[1] < r1[0] * r0[1]) { + r0[0] *= -1; + r0[1] *= -1; + kx *= -1; + kz *= -1; + } + this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees; + this.translate = [ m.e, m.f ]; + this.scale = [ kx, ky ]; + this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0; + } + d3_transform.prototype.toString = function() { + return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")"; + }; + function d3_transformDot(a, b) { + return a[0] * b[0] + a[1] * b[1]; + } + function d3_transformNormalize(a) { + var k = Math.sqrt(d3_transformDot(a, a)); + if (k) { + a[0] /= k; + a[1] /= k; + } + return k; + } + function d3_transformCombine(a, b, k) { + a[0] += k * b[0]; + a[1] += k * b[1]; + return a; + } + var d3_transformIdentity = { + a: 1, + b: 0, + c: 0, + d: 1, + e: 0, + f: 0 + }; + d3.interpolateTransform = d3_interpolateTransform; + function d3_interpolateTransform(a, b) { + var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale; + if (ta[0] != tb[0] || ta[1] != tb[1]) { + s.push("translate(", null, ",", null, ")"); + q.push({ + i: 1, + x: d3_interpolateNumber(ta[0], tb[0]) + }, { + i: 3, + x: d3_interpolateNumber(ta[1], tb[1]) + }); + } else if (tb[0] || tb[1]) { + s.push("translate(" + tb + ")"); + } else { + s.push(""); + } + if (ra != rb) { + if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; + q.push({ + i: s.push(s.pop() + "rotate(", null, ")") - 2, + x: d3_interpolateNumber(ra, rb) + }); + } else if (rb) { + s.push(s.pop() + "rotate(" + rb + ")"); + } + if (wa != wb) { + q.push({ + i: s.push(s.pop() + "skewX(", null, ")") - 2, + x: d3_interpolateNumber(wa, wb) + }); + } else if (wb) { + s.push(s.pop() + "skewX(" + wb + ")"); + } + if (ka[0] != kb[0] || ka[1] != kb[1]) { + n = s.push(s.pop() + "scale(", null, ",", null, ")"); + q.push({ + i: n - 4, + x: d3_interpolateNumber(ka[0], kb[0]) + }, { + i: n - 2, + x: d3_interpolateNumber(ka[1], kb[1]) + }); + } else if (kb[0] != 1 || kb[1] != 1) { + s.push(s.pop() + "scale(" + kb + ")"); + } + n = q.length; + return function(t) { + var i = -1, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; + } + function d3_uninterpolateNumber(a, b) { + b = (b -= a = +a) || 1 / b; + return function(x) { + return (x - a) / b; + }; + } + function d3_uninterpolateClamp(a, b) { + b = (b -= a = +a) || 1 / b; + return function(x) { + return Math.max(0, Math.min(1, (x - a) / b)); + }; + } + d3.layout = {}; + d3.layout.bundle = function() { + return function(links) { + var paths = [], i = -1, n = links.length; + while (++i < n) paths.push(d3_layout_bundlePath(links[i])); + return paths; + }; + }; + function d3_layout_bundlePath(link) { + var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ]; + while (start !== lca) { + start = start.parent; + points.push(start); + } + var k = points.length; + while (end !== lca) { + points.splice(k, 0, end); + end = end.parent; + } + return points; + } + function d3_layout_bundleAncestors(node) { + var ancestors = [], parent = node.parent; + while (parent != null) { + ancestors.push(node); + node = parent; + parent = parent.parent; + } + ancestors.push(node); + return ancestors; + } + function d3_layout_bundleLeastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null; + while (aNode === bNode) { + sharedNode = aNode; + aNode = aNodes.pop(); + bNode = bNodes.pop(); + } + return sharedNode; + } + d3.layout.chord = function() { + var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords; + function relayout() { + var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j; + chords = []; + groups = []; + k = 0, i = -1; + while (++i < n) { + x = 0, j = -1; + while (++j < n) { + x += matrix[i][j]; + } + groupSums.push(x); + subgroupIndex.push(d3.range(n)); + k += x; + } + if (sortGroups) { + groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); + } + if (sortSubgroups) { + subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); + } + k = (τ - padding * n) / k; + x = 0, i = -1; + while (++i < n) { + x0 = x, j = -1; + while (++j < n) { + var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k; + subgroups[di + "-" + dj] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: (x - x0) / k + }; + x += padding; + } + i = -1; + while (++i < n) { + j = i - 1; + while (++j < n) { + var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i]; + if (source.value || target.value) { + chords.push(source.value < target.value ? { + source: target, + target: source + } : { + source: source, + target: target + }); + } + } + } + if (sortChords) resort(); + } + function resort() { + chords.sort(function(a, b) { + return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2); + }); + } + chord.matrix = function(x) { + if (!arguments.length) return matrix; + n = (matrix = x) && matrix.length; + chords = groups = null; + return chord; + }; + chord.padding = function(x) { + if (!arguments.length) return padding; + padding = x; + chords = groups = null; + return chord; + }; + chord.sortGroups = function(x) { + if (!arguments.length) return sortGroups; + sortGroups = x; + chords = groups = null; + return chord; + }; + chord.sortSubgroups = function(x) { + if (!arguments.length) return sortSubgroups; + sortSubgroups = x; + chords = null; + return chord; + }; + chord.sortChords = function(x) { + if (!arguments.length) return sortChords; + sortChords = x; + if (chords) resort(); + return chord; + }; + chord.chords = function() { + if (!chords) relayout(); + return chords; + }; + chord.groups = function() { + if (!groups) relayout(); + return groups; + }; + return chord; + }; + d3.layout.force = function() { + var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; + function repulse(node) { + return function(quad, x1, _, x2) { + if (quad.point !== node) { + var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy; + if (dw * dw / theta2 < dn) { + if (dn < chargeDistance2) { + var k = quad.charge / dn; + node.px -= dx * k; + node.py -= dy * k; + } + return true; + } + if (quad.point && dn && dn < chargeDistance2) { + var k = quad.pointCharge / dn; + node.px -= dx * k; + node.py -= dy * k; + } + } + return !quad.charge; + }; + } + force.tick = function() { + if ((alpha *= .99) < .005) { + event.end({ + type: "end", + alpha: alpha = 0 + }); + return true; + } + var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y; + for (i = 0; i < m; ++i) { + o = links[i]; + s = o.source; + t = o.target; + x = t.x - s.x; + y = t.y - s.y; + if (l = x * x + y * y) { + l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; + x *= l; + y *= l; + t.x -= x * (k = s.weight / (t.weight + s.weight)); + t.y -= y * k; + s.x += x * (k = 1 - k); + s.y += y * k; + } + } + if (k = alpha * gravity) { + x = size[0] / 2; + y = size[1] / 2; + i = -1; + if (k) while (++i < n) { + o = nodes[i]; + o.x += (x - o.x) * k; + o.y += (y - o.y) * k; + } + } + if (charge) { + d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges); + i = -1; + while (++i < n) { + if (!(o = nodes[i]).fixed) { + q.visit(repulse(o)); + } + } + } + i = -1; + while (++i < n) { + o = nodes[i]; + if (o.fixed) { + o.x = o.px; + o.y = o.py; + } else { + o.x -= (o.px - (o.px = o.x)) * friction; + o.y -= (o.py - (o.py = o.y)) * friction; + } + } + event.tick({ + type: "tick", + alpha: alpha + }); + }; + force.nodes = function(x) { + if (!arguments.length) return nodes; + nodes = x; + return force; + }; + force.links = function(x) { + if (!arguments.length) return links; + links = x; + return force; + }; + force.size = function(x) { + if (!arguments.length) return size; + size = x; + return force; + }; + force.linkDistance = function(x) { + if (!arguments.length) return linkDistance; + linkDistance = typeof x === "function" ? x : +x; + return force; + }; + force.distance = force.linkDistance; + force.linkStrength = function(x) { + if (!arguments.length) return linkStrength; + linkStrength = typeof x === "function" ? x : +x; + return force; + }; + force.friction = function(x) { + if (!arguments.length) return friction; + friction = +x; + return force; + }; + force.charge = function(x) { + if (!arguments.length) return charge; + charge = typeof x === "function" ? x : +x; + return force; + }; + force.chargeDistance = function(x) { + if (!arguments.length) return Math.sqrt(chargeDistance2); + chargeDistance2 = x * x; + return force; + }; + force.gravity = function(x) { + if (!arguments.length) return gravity; + gravity = +x; + return force; + }; + force.theta = function(x) { + if (!arguments.length) return Math.sqrt(theta2); + theta2 = x * x; + return force; + }; + force.alpha = function(x) { + if (!arguments.length) return alpha; + x = +x; + if (alpha) { + if (x > 0) alpha = x; else alpha = 0; + } else if (x > 0) { + event.start({ + type: "start", + alpha: alpha = x + }); + d3.timer(force.tick); + } + return force; + }; + force.start = function() { + var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o; + for (i = 0; i < n; ++i) { + (o = nodes[i]).index = i; + o.weight = 0; + } + for (i = 0; i < m; ++i) { + o = links[i]; + if (typeof o.source == "number") o.source = nodes[o.source]; + if (typeof o.target == "number") o.target = nodes[o.target]; + ++o.source.weight; + ++o.target.weight; + } + for (i = 0; i < n; ++i) { + o = nodes[i]; + if (isNaN(o.x)) o.x = position("x", w); + if (isNaN(o.y)) o.y = position("y", h); + if (isNaN(o.px)) o.px = o.x; + if (isNaN(o.py)) o.py = o.y; + } + distances = []; + if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance; + strengths = []; + if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength; + charges = []; + if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge; + function position(dimension, size) { + if (!neighbors) { + neighbors = new Array(n); + for (j = 0; j < n; ++j) { + neighbors[j] = []; + } + for (j = 0; j < m; ++j) { + var o = links[j]; + neighbors[o.source.index].push(o.target); + neighbors[o.target.index].push(o.source); + } + } + var candidates = neighbors[i], j = -1, m = candidates.length, x; + while (++j < m) if (!isNaN(x = candidates[j][dimension])) return x; + return Math.random() * size; + } + return force.resume(); + }; + force.resume = function() { + return force.alpha(.1); + }; + force.stop = function() { + return force.alpha(0); + }; + force.drag = function() { + if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend); + if (!arguments.length) return drag; + this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag); + }; + function dragmove(d) { + d.px = d3.event.x, d.py = d3.event.y; + force.resume(); + } + return d3.rebind(force, event, "on"); + }; + function d3_layout_forceDragstart(d) { + d.fixed |= 2; + } + function d3_layout_forceDragend(d) { + d.fixed &= ~6; + } + function d3_layout_forceMouseover(d) { + d.fixed |= 4; + d.px = d.x, d.py = d.y; + } + function d3_layout_forceMouseout(d) { + d.fixed &= ~4; + } + function d3_layout_forceAccumulate(quad, alpha, charges) { + var cx = 0, cy = 0; + quad.charge = 0; + if (!quad.leaf) { + var nodes = quad.nodes, n = nodes.length, i = -1, c; + while (++i < n) { + c = nodes[i]; + if (c == null) continue; + d3_layout_forceAccumulate(c, alpha, charges); + quad.charge += c.charge; + cx += c.charge * c.cx; + cy += c.charge * c.cy; + } + } + if (quad.point) { + if (!quad.leaf) { + quad.point.x += Math.random() - .5; + quad.point.y += Math.random() - .5; + } + var k = alpha * charges[quad.point.index]; + quad.charge += quad.pointCharge = k; + cx += k * quad.point.x; + cy += k * quad.point.y; + } + quad.cx = cx / quad.charge; + quad.cy = cy / quad.charge; + } + var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity; + d3.layout.hierarchy = function() { + var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; + function hierarchy(root) { + var stack = [ root ], nodes = [], node; + root.depth = 0; + while ((node = stack.pop()) != null) { + nodes.push(node); + if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) { + var n, childs, child; + while (--n >= 0) { + stack.push(child = childs[n]); + child.parent = node; + child.depth = node.depth + 1; + } + if (value) node.value = 0; + node.children = childs; + } else { + if (value) node.value = +value.call(hierarchy, node, node.depth) || 0; + delete node.children; + } + } + d3_layout_hierarchyVisitAfter(root, function(node) { + var childs, parent; + if (sort && (childs = node.children)) childs.sort(sort); + if (value && (parent = node.parent)) parent.value += node.value; + }); + return nodes; + } + hierarchy.sort = function(x) { + if (!arguments.length) return sort; + sort = x; + return hierarchy; + }; + hierarchy.children = function(x) { + if (!arguments.length) return children; + children = x; + return hierarchy; + }; + hierarchy.value = function(x) { + if (!arguments.length) return value; + value = x; + return hierarchy; + }; + hierarchy.revalue = function(root) { + if (value) { + d3_layout_hierarchyVisitBefore(root, function(node) { + if (node.children) node.value = 0; + }); + d3_layout_hierarchyVisitAfter(root, function(node) { + var parent; + if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0; + if (parent = node.parent) parent.value += node.value; + }); + } + return root; + }; + return hierarchy; + }; + function d3_layout_hierarchyRebind(object, hierarchy) { + d3.rebind(object, hierarchy, "sort", "children", "value"); + object.nodes = object; + object.links = d3_layout_hierarchyLinks; + return object; + } + function d3_layout_hierarchyVisitBefore(node, callback) { + var nodes = [ node ]; + while ((node = nodes.pop()) != null) { + callback(node); + if ((children = node.children) && (n = children.length)) { + var n, children; + while (--n >= 0) nodes.push(children[n]); + } + } + } + function d3_layout_hierarchyVisitAfter(node, callback) { + var nodes = [ node ], nodes2 = []; + while ((node = nodes.pop()) != null) { + nodes2.push(node); + if ((children = node.children) && (n = children.length)) { + var i = -1, n, children; + while (++i < n) nodes.push(children[i]); + } + } + while ((node = nodes2.pop()) != null) { + callback(node); + } + } + function d3_layout_hierarchyChildren(d) { + return d.children; + } + function d3_layout_hierarchyValue(d) { + return d.value; + } + function d3_layout_hierarchySort(a, b) { + return b.value - a.value; + } + function d3_layout_hierarchyLinks(nodes) { + return d3.merge(nodes.map(function(parent) { + return (parent.children || []).map(function(child) { + return { + source: parent, + target: child + }; + }); + })); + } + d3.layout.partition = function() { + var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ]; + function position(node, x, dx, dy) { + var children = node.children; + node.x = x; + node.y = node.depth * dy; + node.dx = dx; + node.dy = dy; + if (children && (n = children.length)) { + var i = -1, n, c, d; + dx = node.value ? dx / node.value : 0; + while (++i < n) { + position(c = children[i], x, d = c.value * dx, dy); + x += d; + } + } + } + function depth(node) { + var children = node.children, d = 0; + if (children && (n = children.length)) { + var i = -1, n; + while (++i < n) d = Math.max(d, depth(children[i])); + } + return 1 + d; + } + function partition(d, i) { + var nodes = hierarchy.call(this, d, i); + position(nodes[0], 0, size[0], size[1] / depth(nodes[0])); + return nodes; + } + partition.size = function(x) { + if (!arguments.length) return size; + size = x; + return partition; + }; + return d3_layout_hierarchyRebind(partition, hierarchy); + }; + d3.layout.pie = function() { + var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0; + function pie(data) { + var n = data.length, values = data.map(function(d, i) { + return +value.call(pie, d, i); + }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v; + if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { + return values[j] - values[i]; + } : function(i, j) { + return sort(data[i], data[j]); + }); + index.forEach(function(i) { + arcs[i] = { + data: data[i], + value: v = values[i], + startAngle: a, + endAngle: a += v * k + pa, + padAngle: p + }; + }); + return arcs; + } + pie.value = function(_) { + if (!arguments.length) return value; + value = _; + return pie; + }; + pie.sort = function(_) { + if (!arguments.length) return sort; + sort = _; + return pie; + }; + pie.startAngle = function(_) { + if (!arguments.length) return startAngle; + startAngle = _; + return pie; + }; + pie.endAngle = function(_) { + if (!arguments.length) return endAngle; + endAngle = _; + return pie; + }; + pie.padAngle = function(_) { + if (!arguments.length) return padAngle; + padAngle = _; + return pie; + }; + return pie; + }; + var d3_layout_pieSortByValue = {}; + d3.layout.stack = function() { + var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY; + function stack(data, index) { + if (!(n = data.length)) return data; + var series = data.map(function(d, i) { + return values.call(stack, d, i); + }); + var points = series.map(function(d) { + return d.map(function(v, i) { + return [ x.call(stack, v, i), y.call(stack, v, i) ]; + }); + }); + var orders = order.call(stack, points, index); + series = d3.permute(series, orders); + points = d3.permute(points, orders); + var offsets = offset.call(stack, points, index); + var m = series[0].length, n, i, j, o; + for (j = 0; j < m; ++j) { + out.call(stack, series[0][j], o = offsets[j], points[0][j][1]); + for (i = 1; i < n; ++i) { + out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]); + } + } + return data; + } + stack.values = function(x) { + if (!arguments.length) return values; + values = x; + return stack; + }; + stack.order = function(x) { + if (!arguments.length) return order; + order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault; + return stack; + }; + stack.offset = function(x) { + if (!arguments.length) return offset; + offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero; + return stack; + }; + stack.x = function(z) { + if (!arguments.length) return x; + x = z; + return stack; + }; + stack.y = function(z) { + if (!arguments.length) return y; + y = z; + return stack; + }; + stack.out = function(z) { + if (!arguments.length) return out; + out = z; + return stack; + }; + return stack; + }; + function d3_layout_stackX(d) { + return d.x; + } + function d3_layout_stackY(d) { + return d.y; + } + function d3_layout_stackOut(d, y0, y) { + d.y0 = y0; + d.y = y; + } + var d3_layout_stackOrders = d3.map({ + "inside-out": function(data) { + var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) { + return max[a] - max[b]; + }), top = 0, bottom = 0, tops = [], bottoms = []; + for (i = 0; i < n; ++i) { + j = index[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); + } + } + return bottoms.reverse().concat(tops); + }, + reverse: function(data) { + return d3.range(data.length).reverse(); + }, + "default": d3_layout_stackOrderDefault + }); + var d3_layout_stackOffsets = d3.map({ + silhouette: function(data) { + var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = []; + for (j = 0; j < m; ++j) { + for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; + if (o > max) max = o; + sums.push(o); + } + for (j = 0; j < m; ++j) { + y0[j] = (max - sums[j]) / 2; + } + return y0; + }, + wiggle: function(data) { + var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = []; + y0[0] = o = o0 = 0; + for (j = 1; j < m; ++j) { + for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1]; + for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) { + for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) { + s3 += (data[k][j][1] - data[k][j - 1][1]) / dx; + } + s2 += s3 * data[i][j][1]; + } + y0[j] = o -= s1 ? s2 / s1 * dx : 0; + if (o < o0) o0 = o; + } + for (j = 0; j < m; ++j) y0[j] -= o0; + return y0; + }, + expand: function(data) { + var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = []; + for (j = 0; j < m; ++j) { + for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; + if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k; + } + for (j = 0; j < m; ++j) y0[j] = 0; + return y0; + }, + zero: d3_layout_stackOffsetZero + }); + function d3_layout_stackOrderDefault(data) { + return d3.range(data.length); + } + function d3_layout_stackOffsetZero(data) { + var j = -1, m = data[0].length, y0 = []; + while (++j < m) y0[j] = 0; + return y0; + } + function d3_layout_stackMaxIndex(array) { + var i = 1, j = 0, v = array[0][1], k, n = array.length; + for (;i < n; ++i) { + if ((k = array[i][1]) > v) { + j = i; + v = k; + } + } + return j; + } + function d3_layout_stackReduceSum(d) { + return d.reduce(d3_layout_stackSum, 0); + } + function d3_layout_stackSum(p, d) { + return p + d[1]; + } + d3.layout.histogram = function() { + var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges; + function histogram(data, i) { + var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x; + while (++i < m) { + bin = bins[i] = []; + bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); + bin.y = 0; + } + if (m > 0) { + i = -1; + while (++i < n) { + x = values[i]; + if (x >= range[0] && x <= range[1]) { + bin = bins[d3.bisect(thresholds, x, 1, m) - 1]; + bin.y += k; + bin.push(data[i]); + } + } + } + return bins; + } + histogram.value = function(x) { + if (!arguments.length) return valuer; + valuer = x; + return histogram; + }; + histogram.range = function(x) { + if (!arguments.length) return ranger; + ranger = d3_functor(x); + return histogram; + }; + histogram.bins = function(x) { + if (!arguments.length) return binner; + binner = typeof x === "number" ? function(range) { + return d3_layout_histogramBinFixed(range, x); + } : d3_functor(x); + return histogram; + }; + histogram.frequency = function(x) { + if (!arguments.length) return frequency; + frequency = !!x; + return histogram; + }; + return histogram; + }; + function d3_layout_histogramBinSturges(range, values) { + return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1)); + } + function d3_layout_histogramBinFixed(range, n) { + var x = -1, b = +range[0], m = (range[1] - b) / n, f = []; + while (++x <= n) f[x] = m * x + b; + return f; + } + function d3_layout_histogramRange(values) { + return [ d3.min(values), d3.max(values) ]; + } + d3.layout.pack = function() { + var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius; + function pack(d, i) { + var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() { + return radius; + }; + root.x = root.y = 0; + d3_layout_hierarchyVisitAfter(root, function(d) { + d.r = +r(d.value); + }); + d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); + if (padding) { + var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2; + d3_layout_hierarchyVisitAfter(root, function(d) { + d.r += dr; + }); + d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); + d3_layout_hierarchyVisitAfter(root, function(d) { + d.r -= dr; + }); + } + d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h)); + return nodes; + } + pack.size = function(_) { + if (!arguments.length) return size; + size = _; + return pack; + }; + pack.radius = function(_) { + if (!arguments.length) return radius; + radius = _ == null || typeof _ === "function" ? _ : +_; + return pack; + }; + pack.padding = function(_) { + if (!arguments.length) return padding; + padding = +_; + return pack; + }; + return d3_layout_hierarchyRebind(pack, hierarchy); + }; + function d3_layout_packSort(a, b) { + return a.value - b.value; + } + function d3_layout_packInsert(a, b) { + var c = a._pack_next; + a._pack_next = b; + b._pack_prev = a; + b._pack_next = c; + c._pack_prev = b; + } + function d3_layout_packSplice(a, b) { + a._pack_next = b; + b._pack_prev = a; + } + function d3_layout_packIntersects(a, b) { + var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r; + return .999 * dr * dr > dx * dx + dy * dy; + } + function d3_layout_packSiblings(node) { + if (!(nodes = node.children) || !(n = nodes.length)) return; + var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n; + function bound(node) { + xMin = Math.min(node.x - node.r, xMin); + xMax = Math.max(node.x + node.r, xMax); + yMin = Math.min(node.y - node.r, yMin); + yMax = Math.max(node.y + node.r, yMax); + } + nodes.forEach(d3_layout_packLink); + a = nodes[0]; + a.x = -a.r; + a.y = 0; + bound(a); + if (n > 1) { + b = nodes[1]; + b.x = b.r; + b.y = 0; + bound(b); + if (n > 2) { + c = nodes[2]; + d3_layout_packPlace(a, b, c); + bound(c); + d3_layout_packInsert(a, c); + a._pack_prev = c; + d3_layout_packInsert(c, b); + b = a._pack_next; + for (i = 3; i < n; i++) { + d3_layout_packPlace(a, b, c = nodes[i]); + var isect = 0, s1 = 1, s2 = 1; + for (j = b._pack_next; j !== b; j = j._pack_next, s1++) { + if (d3_layout_packIntersects(j, c)) { + isect = 1; + break; + } + } + if (isect == 1) { + for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) { + if (d3_layout_packIntersects(k, c)) { + break; + } + } + } + if (isect) { + if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b); + i--; + } else { + d3_layout_packInsert(a, c); + b = c; + bound(c); + } + } + } + } + var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0; + for (i = 0; i < n; i++) { + c = nodes[i]; + c.x -= cx; + c.y -= cy; + cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y)); + } + node.r = cr; + nodes.forEach(d3_layout_packUnlink); + } + function d3_layout_packLink(node) { + node._pack_next = node._pack_prev = node; + } + function d3_layout_packUnlink(node) { + delete node._pack_next; + delete node._pack_prev; + } + function d3_layout_packTransform(node, x, y, k) { + var children = node.children; + node.x = x += k * node.x; + node.y = y += k * node.y; + node.r *= k; + if (children) { + var i = -1, n = children.length; + while (++i < n) d3_layout_packTransform(children[i], x, y, k); + } + } + function d3_layout_packPlace(a, b, c) { + var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y; + if (db && (dx || dy)) { + var da = b.r + c.r, dc = dx * dx + dy * dy; + da *= da; + db *= db; + var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = a.x + x * dx + y * dy; + c.y = a.y + x * dy - y * dx; + } else { + c.x = a.x + db; + c.y = a.y; + } + } + d3.layout.tree = function() { + var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null; + function tree(d, i) { + var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0); + d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z; + d3_layout_hierarchyVisitBefore(root1, secondWalk); + if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else { + var left = root0, right = root0, bottom = root0; + d3_layout_hierarchyVisitBefore(root0, function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1); + d3_layout_hierarchyVisitBefore(root0, function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); + } + return nodes; + } + function wrapTree(root0) { + var root1 = { + A: null, + children: [ root0 ] + }, queue = [ root1 ], node1; + while ((node1 = queue.pop()) != null) { + for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) { + queue.push((children[i] = child = { + _: children[i], + parent: node1, + children: (child = children[i].children) && child.slice() || [], + A: null, + a: null, + z: 0, + m: 0, + c: 0, + s: 0, + t: null, + i: i + }).a = child); + } + } + return root1.children[0]; + } + function firstWalk(v) { + var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null; + if (children.length) { + d3_layout_treeShift(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } + function apportion(v, w, ancestor) { + if (w) { + var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift; + while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) { + vom = d3_layout_treeLeft(vom); + vop = d3_layout_treeRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !d3_layout_treeRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !d3_layout_treeLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; + } + } + return ancestor; + } + function sizeNode(node) { + node.x *= size[0]; + node.y = node.depth * size[1]; + } + tree.separation = function(x) { + if (!arguments.length) return separation; + separation = x; + return tree; + }; + tree.size = function(x) { + if (!arguments.length) return nodeSize ? null : size; + nodeSize = (size = x) == null ? sizeNode : null; + return tree; + }; + tree.nodeSize = function(x) { + if (!arguments.length) return nodeSize ? size : null; + nodeSize = (size = x) == null ? null : sizeNode; + return tree; + }; + return d3_layout_hierarchyRebind(tree, hierarchy); + }; + function d3_layout_treeSeparation(a, b) { + return a.parent == b.parent ? 1 : 2; + } + function d3_layout_treeLeft(v) { + var children = v.children; + return children.length ? children[0] : v.t; + } + function d3_layout_treeRight(v) { + var children = v.children, n; + return (n = children.length) ? children[n - 1] : v.t; + } + function d3_layout_treeMove(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; + } + function d3_layout_treeShift(v) { + var shift = 0, change = 0, children = v.children, i = children.length, w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); + } + } + function d3_layout_treeAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; + } + d3.layout.cluster = function() { + var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; + function cluster(d, i) { + var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; + d3_layout_hierarchyVisitAfter(root, function(node) { + var children = node.children; + if (children && children.length) { + node.x = d3_layout_clusterX(children); + node.y = d3_layout_clusterY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); + var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2; + d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) { + node.x = (node.x - root.x) * size[0]; + node.y = (root.y - node.y) * size[1]; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * size[0]; + node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1]; + }); + return nodes; + } + cluster.separation = function(x) { + if (!arguments.length) return separation; + separation = x; + return cluster; + }; + cluster.size = function(x) { + if (!arguments.length) return nodeSize ? null : size; + nodeSize = (size = x) == null; + return cluster; + }; + cluster.nodeSize = function(x) { + if (!arguments.length) return nodeSize ? size : null; + nodeSize = (size = x) != null; + return cluster; + }; + return d3_layout_hierarchyRebind(cluster, hierarchy); + }; + function d3_layout_clusterY(children) { + return 1 + d3.max(children, function(child) { + return child.y; + }); + } + function d3_layout_clusterX(children) { + return children.reduce(function(x, child) { + return x + child.x; + }, 0) / children.length; + } + function d3_layout_clusterLeft(node) { + var children = node.children; + return children && children.length ? d3_layout_clusterLeft(children[0]) : node; + } + function d3_layout_clusterRight(node) { + var children = node.children, n; + return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node; + } + d3.layout.treemap = function() { + var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5)); + function scale(children, k) { + var i = -1, n = children.length, child, area; + while (++i < n) { + area = (child = children[i]).value * (k < 0 ? 0 : k); + child.area = isNaN(area) || area <= 0 ? 0 : area; + } + } + function squarify(node) { + var children = node.children; + if (children && children.length) { + var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n; + scale(remaining, rect.dx * rect.dy / node.value); + row.area = 0; + while ((n = remaining.length) > 0) { + row.push(child = remaining[n - 1]); + row.area += child.area; + if (mode !== "squarify" || (score = worst(row, u)) <= best) { + remaining.pop(); + best = score; + } else { + row.area -= row.pop().area; + position(row, u, rect, false); + u = Math.min(rect.dx, rect.dy); + row.length = row.area = 0; + best = Infinity; + } + } + if (row.length) { + position(row, u, rect, true); + row.length = row.area = 0; + } + children.forEach(squarify); + } + } + function stickify(node) { + var children = node.children; + if (children && children.length) { + var rect = pad(node), remaining = children.slice(), child, row = []; + scale(remaining, rect.dx * rect.dy / node.value); + row.area = 0; + while (child = remaining.pop()) { + row.push(child); + row.area += child.area; + if (child.z != null) { + position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length); + row.length = row.area = 0; + } + } + children.forEach(stickify); + } + } + function worst(row, u) { + var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length; + while (++i < n) { + if (!(r = row[i].area)) continue; + if (r < rmin) rmin = r; + if (r > rmax) rmax = r; + } + s *= s; + u *= u; + return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity; + } + function position(row, u, rect, flush) { + var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o; + if (u == rect.dx) { + if (flush || v > rect.dy) v = rect.dy; + while (++i < n) { + o = row[i]; + o.x = x; + o.y = y; + o.dy = v; + x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0); + } + o.z = true; + o.dx += rect.x + rect.dx - x; + rect.y += v; + rect.dy -= v; + } else { + if (flush || v > rect.dx) v = rect.dx; + while (++i < n) { + o = row[i]; + o.x = x; + o.y = y; + o.dx = v; + y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0); + } + o.z = false; + o.dy += rect.y + rect.dy - y; + rect.x += v; + rect.dx -= v; + } + } + function treemap(d) { + var nodes = stickies || hierarchy(d), root = nodes[0]; + root.x = 0; + root.y = 0; + root.dx = size[0]; + root.dy = size[1]; + if (stickies) hierarchy.revalue(root); + scale([ root ], root.dx * root.dy / root.value); + (stickies ? stickify : squarify)(root); + if (sticky) stickies = nodes; + return nodes; + } + treemap.size = function(x) { + if (!arguments.length) return size; + size = x; + return treemap; + }; + treemap.padding = function(x) { + if (!arguments.length) return padding; + function padFunction(node) { + var p = x.call(treemap, node, node.depth); + return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p); + } + function padConstant(node) { + return d3_layout_treemapPad(node, x); + } + var type; + pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], + padConstant) : padConstant; + return treemap; + }; + treemap.round = function(x) { + if (!arguments.length) return round != Number; + round = x ? Math.round : Number; + return treemap; + }; + treemap.sticky = function(x) { + if (!arguments.length) return sticky; + sticky = x; + stickies = null; + return treemap; + }; + treemap.ratio = function(x) { + if (!arguments.length) return ratio; + ratio = x; + return treemap; + }; + treemap.mode = function(x) { + if (!arguments.length) return mode; + mode = x + ""; + return treemap; + }; + return d3_layout_hierarchyRebind(treemap, hierarchy); + }; + function d3_layout_treemapPadNull(node) { + return { + x: node.x, + y: node.y, + dx: node.dx, + dy: node.dy + }; + } + function d3_layout_treemapPad(node, padding) { + var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2]; + if (dx < 0) { + x += dx / 2; + dx = 0; + } + if (dy < 0) { + y += dy / 2; + dy = 0; + } + return { + x: x, + y: y, + dx: dx, + dy: dy + }; + } + d3.random = { + normal: function(µ, σ) { + var n = arguments.length; + if (n < 2) σ = 1; + if (n < 1) µ = 0; + return function() { + var x, y, r; + do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); + return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r); + }; + }, + logNormal: function() { + var random = d3.random.normal.apply(d3, arguments); + return function() { + return Math.exp(random()); + }; + }, + bates: function(m) { + var random = d3.random.irwinHall(m); + return function() { + return random() / m; + }; + }, + irwinHall: function(m) { + return function() { + for (var s = 0, j = 0; j < m; j++) s += Math.random(); + return s; + }; + } + }; + d3.scale = {}; + function d3_scaleExtent(domain) { + var start = domain[0], stop = domain[domain.length - 1]; + return start < stop ? [ start, stop ] : [ stop, start ]; + } + function d3_scaleRange(scale) { + return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range()); + } + function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { + var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]); + return function(x) { + return i(u(x)); + }; + } + function d3_scale_nice(domain, nice) { + var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx; + if (x1 < x0) { + dx = i0, i0 = i1, i1 = dx; + dx = x0, x0 = x1, x1 = dx; + } + domain[i0] = nice.floor(x0); + domain[i1] = nice.ceil(x1); + return domain; + } + function d3_scale_niceStep(step) { + return step ? { + floor: function(x) { + return Math.floor(x / step) * step; + }, + ceil: function(x) { + return Math.ceil(x / step) * step; + } + } : d3_scale_niceIdentity; + } + var d3_scale_niceIdentity = { + floor: d3_identity, + ceil: d3_identity + }; + function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { + var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1; + if (domain[k] < domain[0]) { + domain = domain.slice().reverse(); + range = range.slice().reverse(); + } + while (++j <= k) { + u.push(uninterpolate(domain[j - 1], domain[j])); + i.push(interpolate(range[j - 1], range[j])); + } + return function(x) { + var j = d3.bisect(domain, x, 1, k) - 1; + return i[j](u[j](x)); + }; + } + d3.scale.linear = function() { + return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false); + }; + function d3_scale_linear(domain, range, interpolate, clamp) { + var output, input; + function rescale() { + var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; + output = linear(domain, range, uninterpolate, interpolate); + input = linear(range, domain, uninterpolate, d3_interpolate); + return scale; + } + function scale(x) { + return output(x); + } + scale.invert = function(y) { + return input(y); + }; + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = x.map(Number); + return rescale(); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + scale.rangeRound = function(x) { + return scale.range(x).interpolate(d3_interpolateRound); + }; + scale.clamp = function(x) { + if (!arguments.length) return clamp; + clamp = x; + return rescale(); + }; + scale.interpolate = function(x) { + if (!arguments.length) return interpolate; + interpolate = x; + return rescale(); + }; + scale.ticks = function(m) { + return d3_scale_linearTicks(domain, m); + }; + scale.tickFormat = function(m, format) { + return d3_scale_linearTickFormat(domain, m, format); + }; + scale.nice = function(m) { + d3_scale_linearNice(domain, m); + return rescale(); + }; + scale.copy = function() { + return d3_scale_linear(domain, range, interpolate, clamp); + }; + return rescale(); + } + function d3_scale_linearRebind(scale, linear) { + return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); + } + function d3_scale_linearNice(domain, m) { + return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + } + function d3_scale_linearTickRange(domain, m) { + if (m == null) m = 10; + var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step; + if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2; + extent[0] = Math.ceil(extent[0] / step) * step; + extent[1] = Math.floor(extent[1] / step) * step + step * .5; + extent[2] = step; + return extent; + } + function d3_scale_linearTicks(domain, m) { + return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); + } + function d3_scale_linearTickFormat(domain, m, format) { + var range = d3_scale_linearTickRange(domain, m); + if (format) { + var match = d3_format_re.exec(format); + match.shift(); + if (match[8] === "s") { + var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1]))); + if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2])); + match[8] = "f"; + format = d3.format(match.join("")); + return function(d) { + return format(prefix.scale(d)) + prefix.symbol; + }; + } + if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range); + format = match.join(""); + } else { + format = ",." + d3_scale_linearPrecision(range[2]) + "f"; + } + return d3.format(format); + } + var d3_scale_linearFormatSignificant = { + s: 1, + g: 1, + p: 1, + r: 1, + e: 1 + }; + function d3_scale_linearPrecision(value) { + return -Math.floor(Math.log(value) / Math.LN10 + .01); + } + function d3_scale_linearFormatPrecision(type, range) { + var p = d3_scale_linearPrecision(range[2]); + return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2; + } + d3.scale.log = function() { + return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]); + }; + function d3_scale_log(linear, base, positive, domain) { + function log(x) { + return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base); + } + function pow(x) { + return positive ? Math.pow(base, x) : -Math.pow(base, -x); + } + function scale(x) { + return linear(log(x)); + } + scale.invert = function(x) { + return pow(linear.invert(x)); + }; + scale.domain = function(x) { + if (!arguments.length) return domain; + positive = x[0] >= 0; + linear.domain((domain = x.map(Number)).map(log)); + return scale; + }; + scale.base = function(_) { + if (!arguments.length) return base; + base = +_; + linear.domain(domain.map(log)); + return scale; + }; + scale.nice = function() { + var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative); + linear.domain(niced); + domain = niced.map(pow); + return scale; + }; + scale.ticks = function() { + var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base; + if (isFinite(j - i)) { + if (positive) { + for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k); + ticks.push(pow(i)); + } else { + ticks.push(pow(i)); + for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k); + } + for (i = 0; ticks[i] < u; i++) {} + for (j = ticks.length; ticks[j - 1] > v; j--) {} + ticks = ticks.slice(i, j); + } + return ticks; + }; + scale.tickFormat = function(n, format) { + if (!arguments.length) return d3_scale_logFormat; + if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); + var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, + Math.floor), e; + return function(d) { + return d / pow(f(log(d) + e)) <= k ? format(d) : ""; + }; + }; + scale.copy = function() { + return d3_scale_log(linear.copy(), base, positive, domain); + }; + return d3_scale_linearRebind(scale, linear); + } + var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = { + floor: function(x) { + return -Math.ceil(-x); + }, + ceil: function(x) { + return -Math.floor(-x); + } + }; + d3.scale.pow = function() { + return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]); + }; + function d3_scale_pow(linear, exponent, domain) { + var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent); + function scale(x) { + return linear(powp(x)); + } + scale.invert = function(x) { + return powb(linear.invert(x)); + }; + scale.domain = function(x) { + if (!arguments.length) return domain; + linear.domain((domain = x.map(Number)).map(powp)); + return scale; + }; + scale.ticks = function(m) { + return d3_scale_linearTicks(domain, m); + }; + scale.tickFormat = function(m, format) { + return d3_scale_linearTickFormat(domain, m, format); + }; + scale.nice = function(m) { + return scale.domain(d3_scale_linearNice(domain, m)); + }; + scale.exponent = function(x) { + if (!arguments.length) return exponent; + powp = d3_scale_powPow(exponent = x); + powb = d3_scale_powPow(1 / exponent); + linear.domain(domain.map(powp)); + return scale; + }; + scale.copy = function() { + return d3_scale_pow(linear.copy(), exponent, domain); + }; + return d3_scale_linearRebind(scale, linear); + } + function d3_scale_powPow(e) { + return function(x) { + return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); + }; + } + d3.scale.sqrt = function() { + return d3.scale.pow().exponent(.5); + }; + d3.scale.ordinal = function() { + return d3_scale_ordinal([], { + t: "range", + a: [ [] ] + }); + }; + function d3_scale_ordinal(domain, ranger) { + var index, range, rangeBand; + function scale(x) { + return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length]; + } + function steps(start, step) { + return d3.range(domain.length).map(function(i) { + return start + step * i; + }); + } + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = []; + index = new d3_Map(); + var i = -1, n = x.length, xi; + while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi)); + return scale[ranger.t].apply(scale, ranger.a); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + rangeBand = 0; + ranger = { + t: "range", + a: arguments + }; + return scale; + }; + scale.rangePoints = function(x, padding) { + if (arguments.length < 2) padding = 0; + var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, + 0) : (stop - start) / (domain.length - 1 + padding); + range = steps(start + step * padding / 2, step); + rangeBand = 0; + ranger = { + t: "rangePoints", + a: arguments + }; + return scale; + }; + scale.rangeRoundPoints = function(x, padding) { + if (arguments.length < 2) padding = 0; + var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), + 0) : (stop - start) / (domain.length - 1 + padding) | 0; + range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step); + rangeBand = 0; + ranger = { + t: "rangeRoundPoints", + a: arguments + }; + return scale; + }; + scale.rangeBands = function(x, padding, outerPadding) { + if (arguments.length < 2) padding = 0; + if (arguments.length < 3) outerPadding = padding; + var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding); + range = steps(start + step * outerPadding, step); + if (reverse) range.reverse(); + rangeBand = step * (1 - padding); + ranger = { + t: "rangeBands", + a: arguments + }; + return scale; + }; + scale.rangeRoundBands = function(x, padding, outerPadding) { + if (arguments.length < 2) padding = 0; + if (arguments.length < 3) outerPadding = padding; + var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)); + range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step); + if (reverse) range.reverse(); + rangeBand = Math.round(step * (1 - padding)); + ranger = { + t: "rangeRoundBands", + a: arguments + }; + return scale; + }; + scale.rangeBand = function() { + return rangeBand; + }; + scale.rangeExtent = function() { + return d3_scaleExtent(ranger.a[0]); + }; + scale.copy = function() { + return d3_scale_ordinal(domain, ranger); + }; + return scale.domain(domain); + } + d3.scale.category10 = function() { + return d3.scale.ordinal().range(d3_category10); + }; + d3.scale.category20 = function() { + return d3.scale.ordinal().range(d3_category20); + }; + d3.scale.category20b = function() { + return d3.scale.ordinal().range(d3_category20b); + }; + d3.scale.category20c = function() { + return d3.scale.ordinal().range(d3_category20c); + }; + var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString); + var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString); + var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString); + var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString); + d3.scale.quantile = function() { + return d3_scale_quantile([], []); + }; + function d3_scale_quantile(domain, range) { + var thresholds; + function rescale() { + var k = 0, q = range.length; + thresholds = []; + while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); + return scale; + } + function scale(x) { + if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)]; + } + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending); + return rescale(); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + scale.quantiles = function() { + return thresholds; + }; + scale.invertExtent = function(y) { + y = range.indexOf(y); + return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ]; + }; + scale.copy = function() { + return d3_scale_quantile(domain, range); + }; + return rescale(); + } + d3.scale.quantize = function() { + return d3_scale_quantize(0, 1, [ 0, 1 ]); + }; + function d3_scale_quantize(x0, x1, range) { + var kx, i; + function scale(x) { + return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; + } + function rescale() { + kx = range.length / (x1 - x0); + i = range.length - 1; + return scale; + } + scale.domain = function(x) { + if (!arguments.length) return [ x0, x1 ]; + x0 = +x[0]; + x1 = +x[x.length - 1]; + return rescale(); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + scale.invertExtent = function(y) { + y = range.indexOf(y); + y = y < 0 ? NaN : y / kx + x0; + return [ y, y + 1 / kx ]; + }; + scale.copy = function() { + return d3_scale_quantize(x0, x1, range); + }; + return rescale(); + } + d3.scale.threshold = function() { + return d3_scale_threshold([ .5 ], [ 0, 1 ]); + }; + function d3_scale_threshold(domain, range) { + function scale(x) { + if (x <= x) return range[d3.bisect(domain, x)]; + } + scale.domain = function(_) { + if (!arguments.length) return domain; + domain = _; + return scale; + }; + scale.range = function(_) { + if (!arguments.length) return range; + range = _; + return scale; + }; + scale.invertExtent = function(y) { + y = range.indexOf(y); + return [ domain[y - 1], domain[y] ]; + }; + scale.copy = function() { + return d3_scale_threshold(domain, range); + }; + return scale; + } + d3.scale.identity = function() { + return d3_scale_identity([ 0, 1 ]); + }; + function d3_scale_identity(domain) { + function identity(x) { + return +x; + } + identity.invert = identity; + identity.domain = identity.range = function(x) { + if (!arguments.length) return domain; + domain = x.map(identity); + return identity; + }; + identity.ticks = function(m) { + return d3_scale_linearTicks(domain, m); + }; + identity.tickFormat = function(m, format) { + return d3_scale_linearTickFormat(domain, m, format); + }; + identity.copy = function() { + return d3_scale_identity(domain); + }; + return identity; + } + d3.svg = {}; + function d3_zero() { + return 0; + } + d3.svg.arc = function() { + var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle; + function arc() { + var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1; + if (r1 < r0) rc = r1, r1 = r0, r0 = rc; + if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z"; + var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = []; + if (ap = (+padAngle.apply(this, arguments) || 0) / 2) { + rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments); + if (!cw) p1 *= -1; + if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap)); + if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap)); + } + if (r1) { + x0 = r1 * Math.cos(a0 + p1); + y0 = r1 * Math.sin(a0 + p1); + x1 = r1 * Math.cos(a1 - p1); + y1 = r1 * Math.sin(a1 - p1); + var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1; + if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) { + var h1 = (a0 + a1) / 2; + x0 = r1 * Math.cos(h1); + y0 = r1 * Math.sin(h1); + x1 = y1 = null; + } + } else { + x0 = y0 = 0; + } + if (r0) { + x2 = r0 * Math.cos(a1 - p0); + y2 = r0 * Math.sin(a1 - p0); + x3 = r0 * Math.cos(a0 + p0); + y3 = r0 * Math.sin(a0 + p0); + var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1; + if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) { + var h0 = (a0 + a1) / 2; + x2 = r0 * Math.cos(h0); + y2 = r0 * Math.sin(h0); + x3 = y3 = null; + } + } else { + x2 = y2 = 0; + } + if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { + cr = r0 < r1 ^ cw ? 0 : 1; + var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + if (x1 != null) { + var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); + if (rc === rc1) { + path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); + } else { + path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]); + } + } else { + path.push("M", x0, ",", y0); + } + if (x3 != null) { + var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); + if (rc === rc0) { + path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); + } else { + path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); + } + } else { + path.push("L", x2, ",", y2); + } + } else { + path.push("M", x0, ",", y0); + if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1); + path.push("L", x2, ",", y2); + if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3); + } + path.push("Z"); + return path.join(""); + } + function circleSegment(r1, cw) { + return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1; + } + arc.innerRadius = function(v) { + if (!arguments.length) return innerRadius; + innerRadius = d3_functor(v); + return arc; + }; + arc.outerRadius = function(v) { + if (!arguments.length) return outerRadius; + outerRadius = d3_functor(v); + return arc; + }; + arc.cornerRadius = function(v) { + if (!arguments.length) return cornerRadius; + cornerRadius = d3_functor(v); + return arc; + }; + arc.padRadius = function(v) { + if (!arguments.length) return padRadius; + padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v); + return arc; + }; + arc.startAngle = function(v) { + if (!arguments.length) return startAngle; + startAngle = d3_functor(v); + return arc; + }; + arc.endAngle = function(v) { + if (!arguments.length) return endAngle; + endAngle = d3_functor(v); + return arc; + }; + arc.padAngle = function(v) { + if (!arguments.length) return padAngle; + padAngle = d3_functor(v); + return arc; + }; + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ; + return [ Math.cos(a) * r, Math.sin(a) * r ]; + }; + return arc; + }; + var d3_svg_arcAuto = "auto"; + function d3_svg_arcInnerRadius(d) { + return d.innerRadius; + } + function d3_svg_arcOuterRadius(d) { + return d.outerRadius; + } + function d3_svg_arcStartAngle(d) { + return d.startAngle; + } + function d3_svg_arcEndAngle(d) { + return d.endAngle; + } + function d3_svg_arcPadAngle(d) { + return d && d.padAngle; + } + function d3_svg_arcSweep(x0, y0, x1, y1) { + return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; + } + function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { + var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; + } + function d3_svg_line(projection) { + var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7; + function line(data) { + var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y); + function segment() { + segments.push("M", interpolate(projection(points), tension)); + } + while (++i < n) { + if (defined.call(this, d = data[i], i)) { + points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]); + } else if (points.length) { + segment(); + points = []; + } + } + if (points.length) segment(); + return segments.length ? segments.join("") : null; + } + line.x = function(_) { + if (!arguments.length) return x; + x = _; + return line; + }; + line.y = function(_) { + if (!arguments.length) return y; + y = _; + return line; + }; + line.defined = function(_) { + if (!arguments.length) return defined; + defined = _; + return line; + }; + line.interpolate = function(_) { + if (!arguments.length) return interpolateKey; + if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; + return line; + }; + line.tension = function(_) { + if (!arguments.length) return tension; + tension = _; + return line; + }; + return line; + } + d3.svg.line = function() { + return d3_svg_line(d3_identity); + }; + var d3_svg_lineInterpolators = d3.map({ + linear: d3_svg_lineLinear, + "linear-closed": d3_svg_lineLinearClosed, + step: d3_svg_lineStep, + "step-before": d3_svg_lineStepBefore, + "step-after": d3_svg_lineStepAfter, + basis: d3_svg_lineBasis, + "basis-open": d3_svg_lineBasisOpen, + "basis-closed": d3_svg_lineBasisClosed, + bundle: d3_svg_lineBundle, + cardinal: d3_svg_lineCardinal, + "cardinal-open": d3_svg_lineCardinalOpen, + "cardinal-closed": d3_svg_lineCardinalClosed, + monotone: d3_svg_lineMonotone + }); + d3_svg_lineInterpolators.forEach(function(key, value) { + value.key = key; + value.closed = /-closed$/.test(key); + }); + function d3_svg_lineLinear(points) { + return points.join("L"); + } + function d3_svg_lineLinearClosed(points) { + return d3_svg_lineLinear(points) + "Z"; + } + function d3_svg_lineStep(points) { + var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; + while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]); + if (n > 1) path.push("H", p[0]); + return path.join(""); + } + function d3_svg_lineStepBefore(points) { + var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; + while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); + return path.join(""); + } + function d3_svg_lineStepAfter(points) { + var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; + while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); + return path.join(""); + } + function d3_svg_lineCardinalOpen(points, tension) { + return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension)); + } + function d3_svg_lineCardinalClosed(points, tension) { + return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), + points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); + } + function d3_svg_lineCardinal(points, tension) { + return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension)); + } + function d3_svg_lineHermite(points, tangents) { + if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) { + return d3_svg_lineLinear(points); + } + var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1; + if (quad) { + path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1]; + p0 = points[1]; + pi = 2; + } + if (tangents.length > 1) { + t = tangents[1]; + p = points[pi]; + pi++; + path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; + for (var i = 2; i < tangents.length; i++, pi++) { + p = points[pi]; + t = tangents[i]; + path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; + } + } + if (quad) { + var lp = points[pi]; + path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1]; + } + return path; + } + function d3_svg_lineCardinalTangents(points, tension) { + var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length; + while (++i < n) { + p0 = p1; + p1 = p2; + p2 = points[i]; + tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]); + } + return tangents; + } + function d3_svg_lineBasis(points) { + if (points.length < 3) return d3_svg_lineLinear(points); + var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; + points.push(points[n - 1]); + while (++i <= n) { + pi = points[i]; + px.shift(); + px.push(pi[0]); + py.shift(); + py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + points.pop(); + path.push("L", pi); + return path.join(""); + } + function d3_svg_lineBasisOpen(points) { + if (points.length < 4) return d3_svg_lineLinear(points); + var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ]; + while (++i < 3) { + pi = points[i]; + px.push(pi[0]); + py.push(pi[1]); + } + path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); + --i; + while (++i < n) { + pi = points[i]; + px.shift(); + px.push(pi[0]); + py.shift(); + py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + return path.join(""); + } + function d3_svg_lineBasisClosed(points) { + var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = []; + while (++i < 4) { + pi = points[i % n]; + px.push(pi[0]); + py.push(pi[1]); + } + path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; + --i; + while (++i < m) { + pi = points[i % n]; + px.shift(); + px.push(pi[0]); + py.shift(); + py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + return path.join(""); + } + function d3_svg_lineBundle(points, tension) { + var n = points.length - 1; + if (n) { + var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t; + while (++i <= n) { + p = points[i]; + t = i / n; + p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); + p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); + } + } + return d3_svg_lineBasis(points); + } + function d3_svg_lineDot4(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; + } + var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ]; + function d3_svg_lineBasisBezier(path, x, y) { + path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); + } + function d3_svg_lineSlope(p0, p1) { + return (p1[1] - p0[1]) / (p1[0] - p0[0]); + } + function d3_svg_lineFiniteDifferences(points) { + var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1); + while (++i < j) { + m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2; + } + m[i] = d; + return m; + } + function d3_svg_lineMonotoneTangents(points) { + var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1; + while (++i < j) { + d = d3_svg_lineSlope(points[i], points[i + 1]); + if (abs(d) < ε) { + m[i] = m[i + 1] = 0; + } else { + a = m[i] / d; + b = m[i + 1] / d; + s = a * a + b * b; + if (s > 9) { + s = d * 3 / Math.sqrt(s); + m[i] = s * a; + m[i + 1] = s * b; + } + } + } + i = -1; + while (++i <= j) { + s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i])); + tangents.push([ s || 0, m[i] * s || 0 ]); + } + return tangents; + } + function d3_svg_lineMonotone(points) { + return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); + } + d3.svg.line.radial = function() { + var line = d3_svg_line(d3_svg_lineRadial); + line.radius = line.x, delete line.x; + line.angle = line.y, delete line.y; + return line; + }; + function d3_svg_lineRadial(points) { + var point, i = -1, n = points.length, r, a; + while (++i < n) { + point = points[i]; + r = point[0]; + a = point[1] - halfπ; + point[0] = r * Math.cos(a); + point[1] = r * Math.sin(a); + } + return points; + } + function d3_svg_area(projection) { + var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; + function area(data) { + var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() { + return x; + } : d3_functor(x1), fy1 = y0 === y1 ? function() { + return y; + } : d3_functor(y1), x, y; + function segment() { + segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z"); + } + while (++i < n) { + if (defined.call(this, d = data[i], i)) { + points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]); + points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]); + } else if (points0.length) { + segment(); + points0 = []; + points1 = []; + } + } + if (points0.length) segment(); + return segments.length ? segments.join("") : null; + } + area.x = function(_) { + if (!arguments.length) return x1; + x0 = x1 = _; + return area; + }; + area.x0 = function(_) { + if (!arguments.length) return x0; + x0 = _; + return area; + }; + area.x1 = function(_) { + if (!arguments.length) return x1; + x1 = _; + return area; + }; + area.y = function(_) { + if (!arguments.length) return y1; + y0 = y1 = _; + return area; + }; + area.y0 = function(_) { + if (!arguments.length) return y0; + y0 = _; + return area; + }; + area.y1 = function(_) { + if (!arguments.length) return y1; + y1 = _; + return area; + }; + area.defined = function(_) { + if (!arguments.length) return defined; + defined = _; + return area; + }; + area.interpolate = function(_) { + if (!arguments.length) return interpolateKey; + if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; + interpolateReverse = interpolate.reverse || interpolate; + L = interpolate.closed ? "M" : "L"; + return area; + }; + area.tension = function(_) { + if (!arguments.length) return tension; + tension = _; + return area; + }; + return area; + } + d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; + d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; + d3.svg.area = function() { + return d3_svg_area(d3_identity); + }; + d3.svg.area.radial = function() { + var area = d3_svg_area(d3_svg_lineRadial); + area.radius = area.x, delete area.x; + area.innerRadius = area.x0, delete area.x0; + area.outerRadius = area.x1, delete area.x1; + area.angle = area.y, delete area.y; + area.startAngle = area.y0, delete area.y0; + area.endAngle = area.y1, delete area.y1; + return area; + }; + d3.svg.chord = function() { + var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; + function chord(d, i) { + var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i); + return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z"; + } + function subgroup(self, f, d, i) { + var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ; + return { + r: r, + a0: a0, + a1: a1, + p0: [ r * Math.cos(a0), r * Math.sin(a0) ], + p1: [ r * Math.cos(a1), r * Math.sin(a1) ] + }; + } + function equals(a, b) { + return a.a0 == b.a0 && a.a1 == b.a1; + } + function arc(r, p, a) { + return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p; + } + function curve(r0, p0, r1, p1) { + return "Q 0,0 " + p1; + } + chord.radius = function(v) { + if (!arguments.length) return radius; + radius = d3_functor(v); + return chord; + }; + chord.source = function(v) { + if (!arguments.length) return source; + source = d3_functor(v); + return chord; + }; + chord.target = function(v) { + if (!arguments.length) return target; + target = d3_functor(v); + return chord; + }; + chord.startAngle = function(v) { + if (!arguments.length) return startAngle; + startAngle = d3_functor(v); + return chord; + }; + chord.endAngle = function(v) { + if (!arguments.length) return endAngle; + endAngle = d3_functor(v); + return chord; + }; + return chord; + }; + function d3_svg_chordRadius(d) { + return d.radius; + } + d3.svg.diagonal = function() { + var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection; + function diagonal(d, i) { + var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, { + x: p0.x, + y: m + }, { + x: p3.x, + y: m + }, p3 ]; + p = p.map(projection); + return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; + } + diagonal.source = function(x) { + if (!arguments.length) return source; + source = d3_functor(x); + return diagonal; + }; + diagonal.target = function(x) { + if (!arguments.length) return target; + target = d3_functor(x); + return diagonal; + }; + diagonal.projection = function(x) { + if (!arguments.length) return projection; + projection = x; + return diagonal; + }; + return diagonal; + }; + function d3_svg_diagonalProjection(d) { + return [ d.x, d.y ]; + } + d3.svg.diagonal.radial = function() { + var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection; + diagonal.projection = function(x) { + return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection; + }; + return diagonal; + }; + function d3_svg_diagonalRadialProjection(projection) { + return function() { + var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ; + return [ r * Math.cos(a), r * Math.sin(a) ]; + }; + } + d3.svg.symbol = function() { + var type = d3_svg_symbolType, size = d3_svg_symbolSize; + function symbol(d, i) { + return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i)); + } + symbol.type = function(x) { + if (!arguments.length) return type; + type = d3_functor(x); + return symbol; + }; + symbol.size = function(x) { + if (!arguments.length) return size; + size = d3_functor(x); + return symbol; + }; + return symbol; + }; + function d3_svg_symbolSize() { + return 64; + } + function d3_svg_symbolType() { + return "circle"; + } + function d3_svg_symbolCircle(size) { + var r = Math.sqrt(size / π); + return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z"; + } + var d3_svg_symbols = d3.map({ + circle: d3_svg_symbolCircle, + cross: function(size) { + var r = Math.sqrt(size / 5) / 2; + return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z"; + }, + diamond: function(size) { + var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30; + return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z"; + }, + square: function(size) { + var r = Math.sqrt(size) / 2; + return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z"; + }, + "triangle-down": function(size) { + var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; + return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z"; + }, + "triangle-up": function(size) { + var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; + return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z"; + } + }); + d3.svg.symbolTypes = d3_svg_symbols.keys(); + var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians); + d3_selectionPrototype.transition = function(name) { + var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || { + time: Date.now(), + ease: d3_ease_cubicInOut, + delay: 0, + duration: 250 + }; + for (var j = -1, m = this.length; ++j < m; ) { + subgroups.push(subgroup = []); + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) d3_transitionNode(node, i, ns, id, transition); + subgroup.push(node); + } + } + return d3_transition(subgroups, ns, id); + }; + d3_selectionPrototype.interrupt = function(name) { + return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name))); + }; + var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); + function d3_selection_interruptNS(ns) { + return function() { + var lock, active; + if ((lock = this[ns]) && (active = lock[lock.active])) { + if (--lock.count) { + delete lock[lock.active]; + lock.active += .5; + } else { + delete this[ns]; + } + active.event && active.event.interrupt.call(this, this.__data__, active.index); + } + }; + } + function d3_transition(groups, ns, id) { + d3_subclass(groups, d3_transitionPrototype); + groups.namespace = ns; + groups.id = id; + return groups; + } + var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit; + d3_transitionPrototype.call = d3_selectionPrototype.call; + d3_transitionPrototype.empty = d3_selectionPrototype.empty; + d3_transitionPrototype.node = d3_selectionPrototype.node; + d3_transitionPrototype.size = d3_selectionPrototype.size; + d3.transition = function(selection, name) { + return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3_selectionRoot.transition(selection); + }; + d3.transition.prototype = d3_transitionPrototype; + d3_transitionPrototype.select = function(selector) { + var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node; + selector = d3_selection_selector(selector); + for (var j = -1, m = this.length; ++j < m; ) { + subgroups.push(subgroup = []); + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + d3_transitionNode(subnode, i, ns, id, node[ns][id]); + subgroup.push(subnode); + } else { + subgroup.push(null); + } + } + } + return d3_transition(subgroups, ns, id); + }; + d3_transitionPrototype.selectAll = function(selector) { + var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition; + selector = d3_selection_selectorAll(selector); + for (var j = -1, m = this.length; ++j < m; ) { + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + transition = node[ns][id]; + subnodes = selector.call(node, node.__data__, i, j); + subgroups.push(subgroup = []); + for (var k = -1, o = subnodes.length; ++k < o; ) { + if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition); + subgroup.push(subnode); + } + } + } + } + return d3_transition(subgroups, ns, id); + }; + d3_transitionPrototype.filter = function(filter) { + var subgroups = [], subgroup, group, node; + if (typeof filter !== "function") filter = d3_selection_filter(filter); + for (var j = 0, m = this.length; j < m; j++) { + subgroups.push(subgroup = []); + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { + subgroup.push(node); + } + } + } + return d3_transition(subgroups, this.namespace, this.id); + }; + d3_transitionPrototype.tween = function(name, tween) { + var id = this.id, ns = this.namespace; + if (arguments.length < 2) return this.node()[ns][id].tween.get(name); + return d3_selection_each(this, tween == null ? function(node) { + node[ns][id].tween.remove(name); + } : function(node) { + node[ns][id].tween.set(name, tween); + }); + }; + function d3_transition_tween(groups, name, value, tween) { + var id = groups.id, ns = groups.namespace; + return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { + node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j))); + } : (value = tween(value), function(node) { + node[ns][id].tween.set(name, value); + })); + } + d3_transitionPrototype.attr = function(nameNS, value) { + if (arguments.length < 2) { + for (value in nameNS) this.attr(value, nameNS[value]); + return this; + } + var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS); + function attrNull() { + this.removeAttribute(name); + } + function attrNullNS() { + this.removeAttributeNS(name.space, name.local); + } + function attrTween(b) { + return b == null ? attrNull : (b += "", function() { + var a = this.getAttribute(name), i; + return a !== b && (i = interpolate(a, b), function(t) { + this.setAttribute(name, i(t)); + }); + }); + } + function attrTweenNS(b) { + return b == null ? attrNullNS : (b += "", function() { + var a = this.getAttributeNS(name.space, name.local), i; + return a !== b && (i = interpolate(a, b), function(t) { + this.setAttributeNS(name.space, name.local, i(t)); + }); + }); + } + return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween); + }; + d3_transitionPrototype.attrTween = function(nameNS, tween) { + var name = d3.ns.qualify(nameNS); + function attrTween(d, i) { + var f = tween.call(this, d, i, this.getAttribute(name)); + return f && function(t) { + this.setAttribute(name, f(t)); + }; + } + function attrTweenNS(d, i) { + var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); + return f && function(t) { + this.setAttributeNS(name.space, name.local, f(t)); + }; + } + return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); + }; + d3_transitionPrototype.style = function(name, value, priority) { + var n = arguments.length; + if (n < 3) { + if (typeof name !== "string") { + if (n < 2) value = ""; + for (priority in name) this.style(priority, name[priority], value); + return this; + } + priority = ""; + } + function styleNull() { + this.style.removeProperty(name); + } + function styleString(b) { + return b == null ? styleNull : (b += "", function() { + var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i; + return a !== b && (i = d3_interpolate(a, b), function(t) { + this.style.setProperty(name, i(t), priority); + }); + }); + } + return d3_transition_tween(this, "style." + name, value, styleString); + }; + d3_transitionPrototype.styleTween = function(name, tween, priority) { + if (arguments.length < 3) priority = ""; + function styleTween(d, i) { + var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name)); + return f && function(t) { + this.style.setProperty(name, f(t), priority); + }; + } + return this.tween("style." + name, styleTween); + }; + d3_transitionPrototype.text = function(value) { + return d3_transition_tween(this, "text", value, d3_transition_text); + }; + function d3_transition_text(b) { + if (b == null) b = ""; + return function() { + this.textContent = b; + }; + } + d3_transitionPrototype.remove = function() { + var ns = this.namespace; + return this.each("end.transition", function() { + var p; + if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this); + }); + }; + d3_transitionPrototype.ease = function(value) { + var id = this.id, ns = this.namespace; + if (arguments.length < 1) return this.node()[ns][id].ease; + if (typeof value !== "function") value = d3.ease.apply(d3, arguments); + return d3_selection_each(this, function(node) { + node[ns][id].ease = value; + }); + }; + d3_transitionPrototype.delay = function(value) { + var id = this.id, ns = this.namespace; + if (arguments.length < 1) return this.node()[ns][id].delay; + return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { + node[ns][id].delay = +value.call(node, node.__data__, i, j); + } : (value = +value, function(node) { + node[ns][id].delay = value; + })); + }; + d3_transitionPrototype.duration = function(value) { + var id = this.id, ns = this.namespace; + if (arguments.length < 1) return this.node()[ns][id].duration; + return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { + node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j)); + } : (value = Math.max(1, value), function(node) { + node[ns][id].duration = value; + })); + }; + d3_transitionPrototype.each = function(type, listener) { + var id = this.id, ns = this.namespace; + if (arguments.length < 2) { + var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; + try { + d3_transitionInheritId = id; + d3_selection_each(this, function(node, i, j) { + d3_transitionInherit = node[ns][id]; + type.call(node, node.__data__, i, j); + }); + } finally { + d3_transitionInherit = inherit; + d3_transitionInheritId = inheritId; + } + } else { + d3_selection_each(this, function(node) { + var transition = node[ns][id]; + (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener); + }); + } + return this; + }; + d3_transitionPrototype.transition = function() { + var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition; + for (var j = 0, m = this.length; j < m; j++) { + subgroups.push(subgroup = []); + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + if (node = group[i]) { + transition = node[ns][id0]; + d3_transitionNode(node, i, ns, id1, { + time: transition.time, + ease: transition.ease, + delay: transition.delay + transition.duration, + duration: transition.duration + }); + } + subgroup.push(node); + } + } + return d3_transition(subgroups, ns, id1); + }; + function d3_transitionNamespace(name) { + return name == null ? "__transition__" : "__transition_" + name + "__"; + } + function d3_transitionNode(node, i, ns, id, inherit) { + var lock = node[ns] || (node[ns] = { + active: 0, + count: 0 + }), transition = lock[id]; + if (!transition) { + var time = inherit.time; + transition = lock[id] = { + tween: new d3_Map(), + time: time, + delay: inherit.delay, + duration: inherit.duration, + ease: inherit.ease, + index: i + }; + inherit = null; + ++lock.count; + d3.timer(function(elapsed) { + var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = []; + timer.t = delay + time; + if (delay <= elapsed) return start(elapsed - delay); + timer.c = start; + function start(elapsed) { + if (lock.active > id) return stop(); + var active = lock[lock.active]; + if (active) { + --lock.count; + delete lock[lock.active]; + active.event && active.event.interrupt.call(node, node.__data__, active.index); + } + lock.active = id; + transition.event && transition.event.start.call(node, node.__data__, i); + transition.tween.forEach(function(key, value) { + if (value = value.call(node, node.__data__, i)) { + tweened.push(value); + } + }); + ease = transition.ease; + duration = transition.duration; + d3.timer(function() { + timer.c = tick(elapsed || 1) ? d3_true : tick; + return 1; + }, 0, time); + } + function tick(elapsed) { + if (lock.active !== id) return 1; + var t = elapsed / duration, e = ease(t), n = tweened.length; + while (n > 0) { + tweened[--n].call(node, e); + } + if (t >= 1) { + transition.event && transition.event.end.call(node, node.__data__, i); + return stop(); + } + } + function stop() { + if (--lock.count) delete lock[id]; else delete node[ns]; + return 1; + } + }, 0, time); + } + } + d3.svg.axis = function() { + var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_; + function axis(g) { + g.each(function() { + var g = d3.select(this); + var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy(); + var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform; + var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), + d3.transition(path)); + tickEnter.append("line"); + tickEnter.append("text"); + var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2; + if (orient === "bottom" || orient === "top") { + tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2"; + text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle"); + pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize); + } else { + tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2"; + text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start"); + pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize); + } + lineEnter.attr(y2, sign * innerTickSize); + textEnter.attr(y1, sign * tickSpacing); + lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize); + textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing); + if (scale1.rangeBand) { + var x = scale1, dx = x.rangeBand() / 2; + scale0 = scale1 = function(d) { + return x(d) + dx; + }; + } else if (scale0.rangeBand) { + scale0 = scale1; + } else { + tickExit.call(tickTransform, scale1, scale0); + } + tickEnter.call(tickTransform, scale0, scale1); + tickUpdate.call(tickTransform, scale1, scale1); + }); + } + axis.scale = function(x) { + if (!arguments.length) return scale; + scale = x; + return axis; + }; + axis.orient = function(x) { + if (!arguments.length) return orient; + orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient; + return axis; + }; + axis.ticks = function() { + if (!arguments.length) return tickArguments_; + tickArguments_ = arguments; + return axis; + }; + axis.tickValues = function(x) { + if (!arguments.length) return tickValues; + tickValues = x; + return axis; + }; + axis.tickFormat = function(x) { + if (!arguments.length) return tickFormat_; + tickFormat_ = x; + return axis; + }; + axis.tickSize = function(x) { + var n = arguments.length; + if (!n) return innerTickSize; + innerTickSize = +x; + outerTickSize = +arguments[n - 1]; + return axis; + }; + axis.innerTickSize = function(x) { + if (!arguments.length) return innerTickSize; + innerTickSize = +x; + return axis; + }; + axis.outerTickSize = function(x) { + if (!arguments.length) return outerTickSize; + outerTickSize = +x; + return axis; + }; + axis.tickPadding = function(x) { + if (!arguments.length) return tickPadding; + tickPadding = +x; + return axis; + }; + axis.tickSubdivide = function() { + return arguments.length && axis; + }; + return axis; + }; + var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = { + top: 1, + right: 1, + bottom: 1, + left: 1 + }; + function d3_svg_axisX(selection, x0, x1) { + selection.attr("transform", function(d) { + var v0 = x0(d); + return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)"; + }); + } + function d3_svg_axisY(selection, y0, y1) { + selection.attr("transform", function(d) { + var v0 = y0(d); + return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")"; + }); + } + d3.svg.brush = function() { + var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0]; + function brush(g) { + g.each(function() { + var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); + var background = g.selectAll(".background").data([ 0 ]); + background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); + g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move"); + var resize = g.selectAll(".resize").data(resizes, d3_identity); + resize.exit().remove(); + resize.enter().append("g").attr("class", function(d) { + return "resize " + d; + }).style("cursor", function(d) { + return d3_svg_brushCursor[d]; + }).append("rect").attr("x", function(d) { + return /[ew]$/.test(d) ? -3 : null; + }).attr("y", function(d) { + return /^[ns]/.test(d) ? -3 : null; + }).attr("width", 6).attr("height", 6).style("visibility", "hidden"); + resize.style("display", brush.empty() ? "none" : null); + var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range; + if (x) { + range = d3_scaleRange(x); + backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]); + redrawX(gUpdate); + } + if (y) { + range = d3_scaleRange(y); + backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]); + redrawY(gUpdate); + } + redraw(gUpdate); + }); + } + brush.event = function(g) { + g.each(function() { + var event_ = event.of(this, arguments), extent1 = { + x: xExtent, + y: yExtent, + i: xExtentDomain, + j: yExtentDomain + }, extent0 = this.__chart__ || extent1; + this.__chart__ = extent1; + if (d3_transitionInheritId) { + d3.select(this).transition().each("start.brush", function() { + xExtentDomain = extent0.i; + yExtentDomain = extent0.j; + xExtent = extent0.x; + yExtent = extent0.y; + event_({ + type: "brushstart" + }); + }).tween("brush:brush", function() { + var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y); + xExtentDomain = yExtentDomain = null; + return function(t) { + xExtent = extent1.x = xi(t); + yExtent = extent1.y = yi(t); + event_({ + type: "brush", + mode: "resize" + }); + }; + }).each("end.brush", function() { + xExtentDomain = extent1.i; + yExtentDomain = extent1.j; + event_({ + type: "brush", + mode: "resize" + }); + event_({ + type: "brushend" + }); + }); + } else { + event_({ + type: "brushstart" + }); + event_({ + type: "brush", + mode: "resize" + }); + event_({ + type: "brushend" + }); + } + }); + }; + function redraw(g) { + g.selectAll(".resize").attr("transform", function(d) { + return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")"; + }); + } + function redrawX(g) { + g.select(".extent").attr("x", xExtent[0]); + g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]); + } + function redrawY(g) { + g.select(".extent").attr("y", yExtent[0]); + g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]); + } + function brushstart() { + var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(), center, origin = d3.mouse(target), offset; + var w = d3.select(d3_window).on("keydown.brush", keydown).on("keyup.brush", keyup); + if (d3.event.changedTouches) { + w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); + } else { + w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); + } + g.interrupt().selectAll("*").interrupt(); + if (dragging) { + origin[0] = xExtent[0] - origin[0]; + origin[1] = yExtent[0] - origin[1]; + } else if (resizing) { + var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); + offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ]; + origin[0] = xExtent[ex]; + origin[1] = yExtent[ey]; + } else if (d3.event.altKey) center = origin.slice(); + g.style("pointer-events", "none").selectAll(".resize").style("display", null); + d3.select("body").style("cursor", eventTarget.style("cursor")); + event_({ + type: "brushstart" + }); + brushmove(); + function keydown() { + if (d3.event.keyCode == 32) { + if (!dragging) { + center = null; + origin[0] -= xExtent[1]; + origin[1] -= yExtent[1]; + dragging = 2; + } + d3_eventPreventDefault(); + } + } + function keyup() { + if (d3.event.keyCode == 32 && dragging == 2) { + origin[0] += xExtent[1]; + origin[1] += yExtent[1]; + dragging = 0; + d3_eventPreventDefault(); + } + } + function brushmove() { + var point = d3.mouse(target), moved = false; + if (offset) { + point[0] += offset[0]; + point[1] += offset[1]; + } + if (!dragging) { + if (d3.event.altKey) { + if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ]; + origin[0] = xExtent[+(point[0] < center[0])]; + origin[1] = yExtent[+(point[1] < center[1])]; + } else center = null; + } + if (resizingX && move1(point, x, 0)) { + redrawX(g); + moved = true; + } + if (resizingY && move1(point, y, 1)) { + redrawY(g); + moved = true; + } + if (moved) { + redraw(g); + event_({ + type: "brush", + mode: dragging ? "move" : "resize" + }); + } + } + function move1(point, scale, i) { + var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max; + if (dragging) { + r0 -= position; + r1 -= size + position; + } + min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i]; + if (dragging) { + max = (min += position) + size; + } else { + if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); + if (position < min) { + max = min; + min = position; + } else { + max = position; + } + } + if (extent[0] != min || extent[1] != max) { + if (i) yExtentDomain = null; else xExtentDomain = null; + extent[0] = min; + extent[1] = max; + return true; + } + } + function brushend() { + brushmove(); + g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null); + d3.select("body").style("cursor", null); + w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null); + dragRestore(); + event_({ + type: "brushend" + }); + } + } + brush.x = function(z) { + if (!arguments.length) return x; + x = z; + resizes = d3_svg_brushResizes[!x << 1 | !y]; + return brush; + }; + brush.y = function(z) { + if (!arguments.length) return y; + y = z; + resizes = d3_svg_brushResizes[!x << 1 | !y]; + return brush; + }; + brush.clamp = function(z) { + if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null; + if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z; + return brush; + }; + brush.extent = function(z) { + var x0, x1, y0, y1, t; + if (!arguments.length) { + if (x) { + if (xExtentDomain) { + x0 = xExtentDomain[0], x1 = xExtentDomain[1]; + } else { + x0 = xExtent[0], x1 = xExtent[1]; + if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); + if (x1 < x0) t = x0, x0 = x1, x1 = t; + } + } + if (y) { + if (yExtentDomain) { + y0 = yExtentDomain[0], y1 = yExtentDomain[1]; + } else { + y0 = yExtent[0], y1 = yExtent[1]; + if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1); + if (y1 < y0) t = y0, y0 = y1, y1 = t; + } + } + return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ]; + } + if (x) { + x0 = z[0], x1 = z[1]; + if (y) x0 = x0[0], x1 = x1[0]; + xExtentDomain = [ x0, x1 ]; + if (x.invert) x0 = x(x0), x1 = x(x1); + if (x1 < x0) t = x0, x0 = x1, x1 = t; + if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ]; + } + if (y) { + y0 = z[0], y1 = z[1]; + if (x) y0 = y0[1], y1 = y1[1]; + yExtentDomain = [ y0, y1 ]; + if (y.invert) y0 = y(y0), y1 = y(y1); + if (y1 < y0) t = y0, y0 = y1, y1 = t; + if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ]; + } + return brush; + }; + brush.clear = function() { + if (!brush.empty()) { + xExtent = [ 0, 0 ], yExtent = [ 0, 0 ]; + xExtentDomain = yExtentDomain = null; + } + return brush; + }; + brush.empty = function() { + return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1]; + }; + return d3.rebind(brush, event, "on"); + }; + var d3_svg_brushCursor = { + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" + }; + var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ]; + var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat; + var d3_time_formatUtc = d3_time_format.utc; + var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ"); + d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso; + function d3_time_formatIsoNative(date) { + return date.toISOString(); + } + d3_time_formatIsoNative.parse = function(string) { + var date = new Date(string); + return isNaN(date) ? null : date; + }; + d3_time_formatIsoNative.toString = d3_time_formatIso.toString; + d3_time.second = d3_time_interval(function(date) { + return new d3_date(Math.floor(date / 1e3) * 1e3); + }, function(date, offset) { + date.setTime(date.getTime() + Math.floor(offset) * 1e3); + }, function(date) { + return date.getSeconds(); + }); + d3_time.seconds = d3_time.second.range; + d3_time.seconds.utc = d3_time.second.utc.range; + d3_time.minute = d3_time_interval(function(date) { + return new d3_date(Math.floor(date / 6e4) * 6e4); + }, function(date, offset) { + date.setTime(date.getTime() + Math.floor(offset) * 6e4); + }, function(date) { + return date.getMinutes(); + }); + d3_time.minutes = d3_time.minute.range; + d3_time.minutes.utc = d3_time.minute.utc.range; + d3_time.hour = d3_time_interval(function(date) { + var timezone = date.getTimezoneOffset() / 60; + return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5); + }, function(date, offset) { + date.setTime(date.getTime() + Math.floor(offset) * 36e5); + }, function(date) { + return date.getHours(); + }); + d3_time.hours = d3_time.hour.range; + d3_time.hours.utc = d3_time.hour.utc.range; + d3_time.month = d3_time_interval(function(date) { + date = d3_time.day(date); + date.setDate(1); + return date; + }, function(date, offset) { + date.setMonth(date.getMonth() + offset); + }, function(date) { + return date.getMonth(); + }); + d3_time.months = d3_time.month.range; + d3_time.months.utc = d3_time.month.utc.range; + function d3_time_scale(linear, methods, format) { + function scale(x) { + return linear(x); + } + scale.invert = function(x) { + return d3_time_scaleDate(linear.invert(x)); + }; + scale.domain = function(x) { + if (!arguments.length) return linear.domain().map(d3_time_scaleDate); + linear.domain(x); + return scale; + }; + function tickMethod(extent, count) { + var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target); + return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) { + return d / 31536e6; + }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i]; + } + scale.nice = function(interval, skip) { + var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval); + if (method) interval = method[0], skip = method[1]; + function skipped(date) { + return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length; + } + return scale.domain(d3_scale_nice(domain, skip > 1 ? { + floor: function(date) { + while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1); + return date; + }, + ceil: function(date) { + while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1); + return date; + } + } : interval)); + }; + scale.ticks = function(interval, skip) { + var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ { + range: interval + }, skip ]; + if (method) interval = method[0], skip = method[1]; + return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip); + }; + scale.tickFormat = function() { + return format; + }; + scale.copy = function() { + return d3_time_scale(linear.copy(), methods, format); + }; + return d3_scale_linearRebind(scale, linear); + } + function d3_time_scaleDate(t) { + return new Date(t); + } + var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ]; + var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ]; + var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) { + return d.getMilliseconds(); + } ], [ ":%S", function(d) { + return d.getSeconds(); + } ], [ "%I:%M", function(d) { + return d.getMinutes(); + } ], [ "%I %p", function(d) { + return d.getHours(); + } ], [ "%a %d", function(d) { + return d.getDay() && d.getDate() != 1; + } ], [ "%b %d", function(d) { + return d.getDate() != 1; + } ], [ "%B", function(d) { + return d.getMonth(); + } ], [ "%Y", d3_true ] ]); + var d3_time_scaleMilliseconds = { + range: function(start, stop, step) { + return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate); + }, + floor: d3_identity, + ceil: d3_identity + }; + d3_time_scaleLocalMethods.year = d3_time.year; + d3_time.scale = function() { + return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat); + }; + var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) { + return [ m[0].utc, m[1] ]; + }); + var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) { + return d.getUTCMilliseconds(); + } ], [ ":%S", function(d) { + return d.getUTCSeconds(); + } ], [ "%I:%M", function(d) { + return d.getUTCMinutes(); + } ], [ "%I %p", function(d) { + return d.getUTCHours(); + } ], [ "%a %d", function(d) { + return d.getUTCDay() && d.getUTCDate() != 1; + } ], [ "%b %d", function(d) { + return d.getUTCDate() != 1; + } ], [ "%B", function(d) { + return d.getUTCMonth(); + } ], [ "%Y", d3_true ] ]); + d3_time_scaleUtcMethods.year = d3_time.year.utc; + d3_time.scale.utc = function() { + return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat); + }; + d3.text = d3_xhrType(function(request) { + return request.responseText; + }); + d3.json = function(url, callback) { + return d3_xhr(url, "application/json", d3_json, callback); + }; + function d3_json(request) { + return JSON.parse(request.responseText); + } + d3.html = function(url, callback) { + return d3_xhr(url, "text/html", d3_html, callback); + }; + function d3_html(request) { + var range = d3_document.createRange(); + range.selectNode(d3_document.body); + return range.createContextualFragment(request.responseText); + } + d3.xml = d3_xhrType(function(request) { + return request.responseXML; + }); + if (typeof define === "function" && define.amd) define(d3); else if (typeof module === "object" && module.exports) module.exports = d3; + this.d3 = d3; +}(); +(function(exports){ +crossfilter.version = "1.3.11"; +function crossfilter_identity(d) { + return d; +} +crossfilter.permute = permute; + +function permute(array, index) { + for (var i = 0, n = index.length, copy = new Array(n); i < n; ++i) { + copy[i] = array[index[i]]; + } + return copy; +} +var bisect = crossfilter.bisect = bisect_by(crossfilter_identity); + +bisect.by = bisect_by; + +function bisect_by(f) { + + // Locate the insertion point for x in a to maintain sorted order. The + // arguments lo and hi may be used to specify a subset of the array which + // should be considered; by default the entire array is used. If x is already + // present in a, the insertion point will be before (to the left of) any + // existing entries. The return value is suitable for use as the first + // argument to `array.splice` assuming that a is already sorted. + // + // The returned insertion point i partitions the array a into two halves so + // that all v < x for v in a[lo:i] for the left side and all v >= x for v in + // a[i:hi] for the right side. + function bisectLeft(a, x, lo, hi) { + while (lo < hi) { + var mid = lo + hi >>> 1; + if (f(a[mid]) < x) lo = mid + 1; + else hi = mid; + } + return lo; + } + + // Similar to bisectLeft, but returns an insertion point which comes after (to + // the right of) any existing entries of x in a. + // + // The returned insertion point i partitions the array into two halves so that + // all v <= x for v in a[lo:i] for the left side and all v > x for v in + // a[i:hi] for the right side. + function bisectRight(a, x, lo, hi) { + while (lo < hi) { + var mid = lo + hi >>> 1; + if (x < f(a[mid])) hi = mid; + else lo = mid + 1; + } + return lo; + } + + bisectRight.right = bisectRight; + bisectRight.left = bisectLeft; + return bisectRight; +} +var heap = crossfilter.heap = heap_by(crossfilter_identity); + +heap.by = heap_by; + +function heap_by(f) { + + // Builds a binary heap within the specified array a[lo:hi]. The heap has the + // property such that the parent a[lo+i] is always less than or equal to its + // two children: a[lo+2*i+1] and a[lo+2*i+2]. + function heap(a, lo, hi) { + var n = hi - lo, + i = (n >>> 1) + 1; + while (--i > 0) sift(a, i, n, lo); + return a; + } + + // Sorts the specified array a[lo:hi] in descending order, assuming it is + // already a heap. + function sort(a, lo, hi) { + var n = hi - lo, + t; + while (--n > 0) t = a[lo], a[lo] = a[lo + n], a[lo + n] = t, sift(a, 1, n, lo); + return a; + } + + // Sifts the element a[lo+i-1] down the heap, where the heap is the contiguous + // slice of array a[lo:lo+n]. This method can also be used to update the heap + // incrementally, without incurring the full cost of reconstructing the heap. + function sift(a, i, n, lo) { + var d = a[--lo + i], + x = f(d), + child; + while ((child = i << 1) <= n) { + if (child < n && f(a[lo + child]) > f(a[lo + child + 1])) child++; + if (x <= f(a[lo + child])) break; + a[lo + i] = a[lo + child]; + i = child; + } + a[lo + i] = d; + } + + heap.sort = sort; + return heap; +} +var heapselect = crossfilter.heapselect = heapselect_by(crossfilter_identity); + +heapselect.by = heapselect_by; + +function heapselect_by(f) { + var heap = heap_by(f); + + // Returns a new array containing the top k elements in the array a[lo:hi]. + // The returned array is not sorted, but maintains the heap property. If k is + // greater than hi - lo, then fewer than k elements will be returned. The + // order of elements in a is unchanged by this operation. + function heapselect(a, lo, hi, k) { + var queue = new Array(k = Math.min(hi - lo, k)), + min, + i, + x, + d; + + for (i = 0; i < k; ++i) queue[i] = a[lo++]; + heap(queue, 0, k); + + if (lo < hi) { + min = f(queue[0]); + do { + if (x = f(d = a[lo]) > min) { + queue[0] = d; + min = f(heap(queue, 0, k)[0]); + } + } while (++lo < hi); + } + + return queue; + } + + return heapselect; +} +var insertionsort = crossfilter.insertionsort = insertionsort_by(crossfilter_identity); + +insertionsort.by = insertionsort_by; + +function insertionsort_by(f) { + + function insertionsort(a, lo, hi) { + for (var i = lo + 1; i < hi; ++i) { + for (var j = i, t = a[i], x = f(t); j > lo && f(a[j - 1]) > x; --j) { + a[j] = a[j - 1]; + } + a[j] = t; + } + return a; + } + + return insertionsort; +} +// Algorithm designed by Vladimir Yaroslavskiy. +// Implementation based on the Dart project; see lib/dart/LICENSE for details. + +var quicksort = crossfilter.quicksort = quicksort_by(crossfilter_identity); + +quicksort.by = quicksort_by; + +function quicksort_by(f) { + var insertionsort = insertionsort_by(f); + + function sort(a, lo, hi) { + return (hi - lo < quicksort_sizeThreshold + ? insertionsort + : quicksort)(a, lo, hi); + } + + function quicksort(a, lo, hi) { + // Compute the two pivots by looking at 5 elements. + var sixth = (hi - lo) / 6 | 0, + i1 = lo + sixth, + i5 = hi - 1 - sixth, + i3 = lo + hi - 1 >> 1, // The midpoint. + i2 = i3 - sixth, + i4 = i3 + sixth; + + var e1 = a[i1], x1 = f(e1), + e2 = a[i2], x2 = f(e2), + e3 = a[i3], x3 = f(e3), + e4 = a[i4], x4 = f(e4), + e5 = a[i5], x5 = f(e5); + + var t; + + // Sort the selected 5 elements using a sorting network. + if (x1 > x2) t = e1, e1 = e2, e2 = t, t = x1, x1 = x2, x2 = t; + if (x4 > x5) t = e4, e4 = e5, e5 = t, t = x4, x4 = x5, x5 = t; + if (x1 > x3) t = e1, e1 = e3, e3 = t, t = x1, x1 = x3, x3 = t; + if (x2 > x3) t = e2, e2 = e3, e3 = t, t = x2, x2 = x3, x3 = t; + if (x1 > x4) t = e1, e1 = e4, e4 = t, t = x1, x1 = x4, x4 = t; + if (x3 > x4) t = e3, e3 = e4, e4 = t, t = x3, x3 = x4, x4 = t; + if (x2 > x5) t = e2, e2 = e5, e5 = t, t = x2, x2 = x5, x5 = t; + if (x2 > x3) t = e2, e2 = e3, e3 = t, t = x2, x2 = x3, x3 = t; + if (x4 > x5) t = e4, e4 = e5, e5 = t, t = x4, x4 = x5, x5 = t; + + var pivot1 = e2, pivotValue1 = x2, + pivot2 = e4, pivotValue2 = x4; + + // e2 and e4 have been saved in the pivot variables. They will be written + // back, once the partitioning is finished. + a[i1] = e1; + a[i2] = a[lo]; + a[i3] = e3; + a[i4] = a[hi - 1]; + a[i5] = e5; + + var less = lo + 1, // First element in the middle partition. + great = hi - 2; // Last element in the middle partition. + + // Note that for value comparison, <, <=, >= and > coerce to a primitive via + // Object.prototype.valueOf; == and === do not, so in order to be consistent + // with natural order (such as for Date objects), we must do two compares. + var pivotsEqual = pivotValue1 <= pivotValue2 && pivotValue1 >= pivotValue2; + if (pivotsEqual) { + + // Degenerated case where the partitioning becomes a dutch national flag + // problem. + // + // [ | < pivot | == pivot | unpartitioned | > pivot | ] + // ^ ^ ^ ^ ^ + // left less k great right + // + // a[left] and a[right] are undefined and are filled after the + // partitioning. + // + // Invariants: + // 1) for x in ]left, less[ : x < pivot. + // 2) for x in [less, k[ : x == pivot. + // 3) for x in ]great, right[ : x > pivot. + for (var k = less; k <= great; ++k) { + var ek = a[k], xk = f(ek); + if (xk < pivotValue1) { + if (k !== less) { + a[k] = a[less]; + a[less] = ek; + } + ++less; + } else if (xk > pivotValue1) { + + // Find the first element <= pivot in the range [k - 1, great] and + // put [:ek:] there. We know that such an element must exist: + // When k == less, then el3 (which is equal to pivot) lies in the + // interval. Otherwise a[k - 1] == pivot and the search stops at k-1. + // Note that in the latter case invariant 2 will be violated for a + // short amount of time. The invariant will be restored when the + // pivots are put into their final positions. + while (true) { + var greatValue = f(a[great]); + if (greatValue > pivotValue1) { + great--; + // This is the only location in the while-loop where a new + // iteration is started. + continue; + } else if (greatValue < pivotValue1) { + // Triple exchange. + a[k] = a[less]; + a[less++] = a[great]; + a[great--] = ek; + break; + } else { + a[k] = a[great]; + a[great--] = ek; + // Note: if great < k then we will exit the outer loop and fix + // invariant 2 (which we just violated). + break; + } + } + } + } + } else { + + // We partition the list into three parts: + // 1. < pivot1 + // 2. >= pivot1 && <= pivot2 + // 3. > pivot2 + // + // During the loop we have: + // [ | < pivot1 | >= pivot1 && <= pivot2 | unpartitioned | > pivot2 | ] + // ^ ^ ^ ^ ^ + // left less k great right + // + // a[left] and a[right] are undefined and are filled after the + // partitioning. + // + // Invariants: + // 1. for x in ]left, less[ : x < pivot1 + // 2. for x in [less, k[ : pivot1 <= x && x <= pivot2 + // 3. for x in ]great, right[ : x > pivot2 + for (var k = less; k <= great; k++) { + var ek = a[k], xk = f(ek); + if (xk < pivotValue1) { + if (k !== less) { + a[k] = a[less]; + a[less] = ek; + } + ++less; + } else { + if (xk > pivotValue2) { + while (true) { + var greatValue = f(a[great]); + if (greatValue > pivotValue2) { + great--; + if (great < k) break; + // This is the only location inside the loop where a new + // iteration is started. + continue; + } else { + // a[great] <= pivot2. + if (greatValue < pivotValue1) { + // Triple exchange. + a[k] = a[less]; + a[less++] = a[great]; + a[great--] = ek; + } else { + // a[great] >= pivot1. + a[k] = a[great]; + a[great--] = ek; + } + break; + } + } + } + } + } + } + + // Move pivots into their final positions. + // We shrunk the list from both sides (a[left] and a[right] have + // meaningless values in them) and now we move elements from the first + // and third partition into these locations so that we can store the + // pivots. + a[lo] = a[less - 1]; + a[less - 1] = pivot1; + a[hi - 1] = a[great + 1]; + a[great + 1] = pivot2; + + // The list is now partitioned into three partitions: + // [ < pivot1 | >= pivot1 && <= pivot2 | > pivot2 ] + // ^ ^ ^ ^ + // left less great right + + // Recursive descent. (Don't include the pivot values.) + sort(a, lo, less - 1); + sort(a, great + 2, hi); + + if (pivotsEqual) { + // All elements in the second partition are equal to the pivot. No + // need to sort them. + return a; + } + + // In theory it should be enough to call _doSort recursively on the second + // partition. + // The Android source however removes the pivot elements from the recursive + // call if the second partition is too large (more than 2/3 of the list). + if (less < i1 && great > i5) { + var lessValue, greatValue; + while ((lessValue = f(a[less])) <= pivotValue1 && lessValue >= pivotValue1) ++less; + while ((greatValue = f(a[great])) <= pivotValue2 && greatValue >= pivotValue2) --great; + + // Copy paste of the previous 3-way partitioning with adaptions. + // + // We partition the list into three parts: + // 1. == pivot1 + // 2. > pivot1 && < pivot2 + // 3. == pivot2 + // + // During the loop we have: + // [ == pivot1 | > pivot1 && < pivot2 | unpartitioned | == pivot2 ] + // ^ ^ ^ + // less k great + // + // Invariants: + // 1. for x in [ *, less[ : x == pivot1 + // 2. for x in [less, k[ : pivot1 < x && x < pivot2 + // 3. for x in ]great, * ] : x == pivot2 + for (var k = less; k <= great; k++) { + var ek = a[k], xk = f(ek); + if (xk <= pivotValue1 && xk >= pivotValue1) { + if (k !== less) { + a[k] = a[less]; + a[less] = ek; + } + less++; + } else { + if (xk <= pivotValue2 && xk >= pivotValue2) { + while (true) { + var greatValue = f(a[great]); + if (greatValue <= pivotValue2 && greatValue >= pivotValue2) { + great--; + if (great < k) break; + // This is the only location inside the loop where a new + // iteration is started. + continue; + } else { + // a[great] < pivot2. + if (greatValue < pivotValue1) { + // Triple exchange. + a[k] = a[less]; + a[less++] = a[great]; + a[great--] = ek; + } else { + // a[great] == pivot1. + a[k] = a[great]; + a[great--] = ek; + } + break; + } + } + } + } + } + } + + // The second partition has now been cleared of pivot elements and looks + // as follows: + // [ * | > pivot1 && < pivot2 | * ] + // ^ ^ + // less great + // Sort the second partition using recursive descent. + + // The second partition looks as follows: + // [ * | >= pivot1 && <= pivot2 | * ] + // ^ ^ + // less great + // Simply sort it by recursive descent. + + return sort(a, less, great + 1); + } + + return sort; +} + +var quicksort_sizeThreshold = 32; +var crossfilter_array8 = crossfilter_arrayUntyped, + crossfilter_array16 = crossfilter_arrayUntyped, + crossfilter_array32 = crossfilter_arrayUntyped, + crossfilter_arrayLengthen = crossfilter_arrayLengthenUntyped, + crossfilter_arrayWiden = crossfilter_arrayWidenUntyped; + +if (typeof Uint8Array !== "undefined") { + crossfilter_array8 = function(n) { return new Uint8Array(n); }; + crossfilter_array16 = function(n) { return new Uint16Array(n); }; + crossfilter_array32 = function(n) { return new Uint32Array(n); }; + + crossfilter_arrayLengthen = function(array, length) { + if (array.length >= length) return array; + var copy = new array.constructor(length); + copy.set(array); + return copy; + }; + + crossfilter_arrayWiden = function(array, width) { + var copy; + switch (width) { + case 16: copy = crossfilter_array16(array.length); break; + case 32: copy = crossfilter_array32(array.length); break; + default: throw new Error("invalid array width!"); + } + copy.set(array); + return copy; + }; +} + +function crossfilter_arrayUntyped(n) { + var array = new Array(n), i = -1; + while (++i < n) array[i] = 0; + return array; +} + +function crossfilter_arrayLengthenUntyped(array, length) { + var n = array.length; + while (n < length) array[n++] = 0; + return array; +} + +function crossfilter_arrayWidenUntyped(array, width) { + if (width > 32) throw new Error("invalid array width!"); + return array; +} +function crossfilter_filterExact(bisect, value) { + return function(values) { + var n = values.length; + return [bisect.left(values, value, 0, n), bisect.right(values, value, 0, n)]; + }; +} + +function crossfilter_filterRange(bisect, range) { + var min = range[0], + max = range[1]; + return function(values) { + var n = values.length; + return [bisect.left(values, min, 0, n), bisect.left(values, max, 0, n)]; + }; +} + +function crossfilter_filterAll(values) { + return [0, values.length]; +} +function crossfilter_null() { + return null; +} +function crossfilter_zero() { + return 0; +} +function crossfilter_reduceIncrement(p) { + return p + 1; +} + +function crossfilter_reduceDecrement(p) { + return p - 1; +} + +function crossfilter_reduceAdd(f) { + return function(p, v) { + return p + +f(v); + }; +} + +function crossfilter_reduceSubtract(f) { + return function(p, v) { + return p - f(v); + }; +} +exports.crossfilter = crossfilter; + +function crossfilter() { + var crossfilter = { + add: add, + remove: removeData, + dimension: dimension, + groupAll: groupAll, + size: size + }; + + var data = [], // the records + n = 0, // the number of records; data.length + m = 0, // a bit mask representing which dimensions are in use + M = 8, // number of dimensions that can fit in `filters` + filters = crossfilter_array8(0), // M bits per record; 1 is filtered out + filterListeners = [], // when the filters change + dataListeners = [], // when data is added + removeDataListeners = []; // when data is removed + + // Adds the specified new records to this crossfilter. + function add(newData) { + var n0 = n, + n1 = newData.length; + + // If there's actually new data to add… + // Merge the new data into the existing data. + // Lengthen the filter bitset to handle the new records. + // Notify listeners (dimensions and groups) that new data is available. + if (n1) { + data = data.concat(newData); + filters = crossfilter_arrayLengthen(filters, n += n1); + dataListeners.forEach(function(l) { l(newData, n0, n1); }); + } + + return crossfilter; + } + + // Removes all records that match the current filters. + function removeData() { + var newIndex = crossfilter_index(n, n), + removed = []; + for (var i = 0, j = 0; i < n; ++i) { + if (filters[i]) newIndex[i] = j++; + else removed.push(i); + } + + // Remove all matching records from groups. + filterListeners.forEach(function(l) { l(0, [], removed); }); + + // Update indexes. + removeDataListeners.forEach(function(l) { l(newIndex); }); + + // Remove old filters and data by overwriting. + for (var i = 0, j = 0, k; i < n; ++i) { + if (k = filters[i]) { + if (i !== j) filters[j] = k, data[j] = data[i]; + ++j; + } + } + data.length = j; + while (n > j) filters[--n] = 0; + } + + // Adds a new dimension with the specified value accessor function. + function dimension(value) { + var dimension = { + filter: filter, + filterExact: filterExact, + filterRange: filterRange, + filterFunction: filterFunction, + filterAll: filterAll, + top: top, + bottom: bottom, + group: group, + groupAll: groupAll, + dispose: dispose, + remove: dispose // for backwards-compatibility + }; + + var one = ~m & -~m, // lowest unset bit as mask, e.g., 00001000 + zero = ~one, // inverted one, e.g., 11110111 + values, // sorted, cached array + index, // value rank ↦ object id + newValues, // temporary array storing newly-added values + newIndex, // temporary array storing newly-added index + sort = quicksort_by(function(i) { return newValues[i]; }), + refilter = crossfilter_filterAll, // for recomputing filter + refilterFunction, // the custom filter function in use + indexListeners = [], // when data is added + dimensionGroups = [], + lo0 = 0, + hi0 = 0; + + // Updating a dimension is a two-stage process. First, we must update the + // associated filters for the newly-added records. Once all dimensions have + // updated their filters, the groups are notified to update. + dataListeners.unshift(preAdd); + dataListeners.push(postAdd); + + removeDataListeners.push(removeData); + + // Incorporate any existing data into this dimension, and make sure that the + // filter bitset is wide enough to handle the new dimension. + m |= one; + if (M >= 32 ? !one : m & (1 << M) - 1) { + filters = crossfilter_arrayWiden(filters, M <<= 1); + } + preAdd(data, 0, n); + postAdd(data, 0, n); + + // Incorporates the specified new records into this dimension. + // This function is responsible for updating filters, values, and index. + function preAdd(newData, n0, n1) { + + // Permute new values into natural order using a sorted index. + newValues = newData.map(value); + newIndex = sort(crossfilter_range(n1), 0, n1); + newValues = permute(newValues, newIndex); + + // Bisect newValues to determine which new records are selected. + var bounds = refilter(newValues), lo1 = bounds[0], hi1 = bounds[1], i; + if (refilterFunction) { + for (i = 0; i < n1; ++i) { + if (!refilterFunction(newValues[i], i)) filters[newIndex[i] + n0] |= one; + } + } else { + for (i = 0; i < lo1; ++i) filters[newIndex[i] + n0] |= one; + for (i = hi1; i < n1; ++i) filters[newIndex[i] + n0] |= one; + } + + // If this dimension previously had no data, then we don't need to do the + // more expensive merge operation; use the new values and index as-is. + if (!n0) { + values = newValues; + index = newIndex; + lo0 = lo1; + hi0 = hi1; + return; + } + + var oldValues = values, + oldIndex = index, + i0 = 0, + i1 = 0; + + // Otherwise, create new arrays into which to merge new and old. + values = new Array(n); + index = crossfilter_index(n, n); + + // Merge the old and new sorted values, and old and new index. + for (i = 0; i0 < n0 && i1 < n1; ++i) { + if (oldValues[i0] < newValues[i1]) { + values[i] = oldValues[i0]; + index[i] = oldIndex[i0++]; + } else { + values[i] = newValues[i1]; + index[i] = newIndex[i1++] + n0; + } + } + + // Add any remaining old values. + for (; i0 < n0; ++i0, ++i) { + values[i] = oldValues[i0]; + index[i] = oldIndex[i0]; + } + + // Add any remaining new values. + for (; i1 < n1; ++i1, ++i) { + values[i] = newValues[i1]; + index[i] = newIndex[i1] + n0; + } + + // Bisect again to recompute lo0 and hi0. + bounds = refilter(values), lo0 = bounds[0], hi0 = bounds[1]; + } + + // When all filters have updated, notify index listeners of the new values. + function postAdd(newData, n0, n1) { + indexListeners.forEach(function(l) { l(newValues, newIndex, n0, n1); }); + newValues = newIndex = null; + } + + function removeData(reIndex) { + for (var i = 0, j = 0, k; i < n; ++i) { + if (filters[k = index[i]]) { + if (i !== j) values[j] = values[i]; + index[j] = reIndex[k]; + ++j; + } + } + values.length = j; + while (j < n) index[j++] = 0; + + // Bisect again to recompute lo0 and hi0. + var bounds = refilter(values); + lo0 = bounds[0], hi0 = bounds[1]; + } + + // Updates the selected values based on the specified bounds [lo, hi]. + // This implementation is used by all the public filter methods. + function filterIndexBounds(bounds) { + var lo1 = bounds[0], + hi1 = bounds[1]; + + if (refilterFunction) { + refilterFunction = null; + filterIndexFunction(function(d, i) { return lo1 <= i && i < hi1; }); + lo0 = lo1; + hi0 = hi1; + return dimension; + } + + var i, + j, + k, + added = [], + removed = []; + + // Fast incremental update based on previous lo index. + if (lo1 < lo0) { + for (i = lo1, j = Math.min(lo0, hi1); i < j; ++i) { + filters[k = index[i]] ^= one; + added.push(k); + } + } else if (lo1 > lo0) { + for (i = lo0, j = Math.min(lo1, hi0); i < j; ++i) { + filters[k = index[i]] ^= one; + removed.push(k); + } + } + + // Fast incremental update based on previous hi index. + if (hi1 > hi0) { + for (i = Math.max(lo1, hi0), j = hi1; i < j; ++i) { + filters[k = index[i]] ^= one; + added.push(k); + } + } else if (hi1 < hi0) { + for (i = Math.max(lo0, hi1), j = hi0; i < j; ++i) { + filters[k = index[i]] ^= one; + removed.push(k); + } + } + + lo0 = lo1; + hi0 = hi1; + filterListeners.forEach(function(l) { l(one, added, removed); }); + return dimension; + } + + // Filters this dimension using the specified range, value, or null. + // If the range is null, this is equivalent to filterAll. + // If the range is an array, this is equivalent to filterRange. + // Otherwise, this is equivalent to filterExact. + function filter(range) { + return range == null + ? filterAll() : Array.isArray(range) + ? filterRange(range) : typeof range === "function" + ? filterFunction(range) + : filterExact(range); + } + + // Filters this dimension to select the exact value. + function filterExact(value) { + return filterIndexBounds((refilter = crossfilter_filterExact(bisect, value))(values)); + } + + // Filters this dimension to select the specified range [lo, hi]. + // The lower bound is inclusive, and the upper bound is exclusive. + function filterRange(range) { + return filterIndexBounds((refilter = crossfilter_filterRange(bisect, range))(values)); + } + + // Clears any filters on this dimension. + function filterAll() { + return filterIndexBounds((refilter = crossfilter_filterAll)(values)); + } + + // Filters this dimension using an arbitrary function. + function filterFunction(f) { + refilter = crossfilter_filterAll; + + filterIndexFunction(refilterFunction = f); + + lo0 = 0; + hi0 = n; + + return dimension; + } + + function filterIndexFunction(f) { + var i, + k, + x, + added = [], + removed = []; + + for (i = 0; i < n; ++i) { + if (!(filters[k = index[i]] & one) ^ !!(x = f(values[i], i))) { + if (x) filters[k] &= zero, added.push(k); + else filters[k] |= one, removed.push(k); + } + } + filterListeners.forEach(function(l) { l(one, added, removed); }); + } + + // Returns the top K selected records based on this dimension's order. + // Note: observes this dimension's filter, unlike group and groupAll. + function top(k) { + var array = [], + i = hi0, + j; + + while (--i >= lo0 && k > 0) { + if (!filters[j = index[i]]) { + array.push(data[j]); + --k; + } + } + + return array; + } + + // Returns the bottom K selected records based on this dimension's order. + // Note: observes this dimension's filter, unlike group and groupAll. + function bottom(k) { + var array = [], + i = lo0, + j; + + while (i < hi0 && k > 0) { + if (!filters[j = index[i]]) { + array.push(data[j]); + --k; + } + i++; + } + + return array; + } + + // Adds a new group to this dimension, using the specified key function. + function group(key) { + var group = { + top: top, + all: all, + reduce: reduce, + reduceCount: reduceCount, + reduceSum: reduceSum, + order: order, + orderNatural: orderNatural, + size: size, + dispose: dispose, + remove: dispose // for backwards-compatibility + }; + + // Ensure that this group will be removed when the dimension is removed. + dimensionGroups.push(group); + + var groups, // array of {key, value} + groupIndex, // object id ↦ group id + groupWidth = 8, + groupCapacity = crossfilter_capacity(groupWidth), + k = 0, // cardinality + select, + heap, + reduceAdd, + reduceRemove, + reduceInitial, + update = crossfilter_null, + reset = crossfilter_null, + resetNeeded = true, + groupAll = key === crossfilter_null; + + if (arguments.length < 1) key = crossfilter_identity; + + // The group listens to the crossfilter for when any dimension changes, so + // that it can update the associated reduce values. It must also listen to + // the parent dimension for when data is added, and compute new keys. + filterListeners.push(update); + indexListeners.push(add); + removeDataListeners.push(removeData); + + // Incorporate any existing data into the grouping. + add(values, index, 0, n); + + // Incorporates the specified new values into this group. + // This function is responsible for updating groups and groupIndex. + function add(newValues, newIndex, n0, n1) { + var oldGroups = groups, + reIndex = crossfilter_index(k, groupCapacity), + add = reduceAdd, + initial = reduceInitial, + k0 = k, // old cardinality + i0 = 0, // index of old group + i1 = 0, // index of new record + j, // object id + g0, // old group + x0, // old key + x1, // new key + g, // group to add + x; // key of group to add + + // If a reset is needed, we don't need to update the reduce values. + if (resetNeeded) add = initial = crossfilter_null; + + // Reset the new groups (k is a lower bound). + // Also, make sure that groupIndex exists and is long enough. + groups = new Array(k), k = 0; + groupIndex = k0 > 1 ? crossfilter_arrayLengthen(groupIndex, n) : crossfilter_index(n, groupCapacity); + + // Get the first old key (x0 of g0), if it exists. + if (k0) x0 = (g0 = oldGroups[0]).key; + + // Find the first new key (x1), skipping NaN keys. + while (i1 < n1 && !((x1 = key(newValues[i1])) >= x1)) ++i1; + + // While new keys remain… + while (i1 < n1) { + + // Determine the lesser of the two current keys; new and old. + // If there are no old keys remaining, then always add the new key. + if (g0 && x0 <= x1) { + g = g0, x = x0; + + // Record the new index of the old group. + reIndex[i0] = k; + + // Retrieve the next old key. + if (g0 = oldGroups[++i0]) x0 = g0.key; + } else { + g = {key: x1, value: initial()}, x = x1; + } + + // Add the lesser group. + groups[k] = g; + + // Add any selected records belonging to the added group, while + // advancing the new key and populating the associated group index. + while (!(x1 > x)) { + groupIndex[j = newIndex[i1] + n0] = k; + if (!(filters[j] & zero)) g.value = add(g.value, data[j]); + if (++i1 >= n1) break; + x1 = key(newValues[i1]); + } + + groupIncrement(); + } + + // Add any remaining old groups that were greater than all new keys. + // No incremental reduce is needed; these groups have no new records. + // Also record the new index of the old group. + while (i0 < k0) { + groups[reIndex[i0] = k] = oldGroups[i0++]; + groupIncrement(); + } + + // If we added any new groups before any old groups, + // update the group index of all the old records. + if (k > i0) for (i0 = 0; i0 < n0; ++i0) { + groupIndex[i0] = reIndex[groupIndex[i0]]; + } + + // Modify the update and reset behavior based on the cardinality. + // If the cardinality is less than or equal to one, then the groupIndex + // is not needed. If the cardinality is zero, then there are no records + // and therefore no groups to update or reset. Note that we also must + // change the registered listener to point to the new method. + j = filterListeners.indexOf(update); + if (k > 1) { + update = updateMany; + reset = resetMany; + } else { + if (!k && groupAll) { + k = 1; + groups = [{key: null, value: initial()}]; + } + if (k === 1) { + update = updateOne; + reset = resetOne; + } else { + update = crossfilter_null; + reset = crossfilter_null; + } + groupIndex = null; + } + filterListeners[j] = update; + + // Count the number of added groups, + // and widen the group index as needed. + function groupIncrement() { + if (++k === groupCapacity) { + reIndex = crossfilter_arrayWiden(reIndex, groupWidth <<= 1); + groupIndex = crossfilter_arrayWiden(groupIndex, groupWidth); + groupCapacity = crossfilter_capacity(groupWidth); + } + } + } + + function removeData() { + if (k > 1) { + var oldK = k, + oldGroups = groups, + seenGroups = crossfilter_index(oldK, oldK); + + // Filter out non-matches by copying matching group index entries to + // the beginning of the array. + for (var i = 0, j = 0; i < n; ++i) { + if (filters[i]) { + seenGroups[groupIndex[j] = groupIndex[i]] = 1; + ++j; + } + } + + // Reassemble groups including only those groups that were referred + // to by matching group index entries. Note the new group index in + // seenGroups. + groups = [], k = 0; + for (i = 0; i < oldK; ++i) { + if (seenGroups[i]) { + seenGroups[i] = k++; + groups.push(oldGroups[i]); + } + } + + if (k > 1) { + // Reindex the group index using seenGroups to find the new index. + for (var i = 0; i < j; ++i) groupIndex[i] = seenGroups[groupIndex[i]]; + } else { + groupIndex = null; + } + filterListeners[filterListeners.indexOf(update)] = k > 1 + ? (reset = resetMany, update = updateMany) + : k === 1 ? (reset = resetOne, update = updateOne) + : reset = update = crossfilter_null; + } else if (k === 1) { + if (groupAll) return; + for (var i = 0; i < n; ++i) if (filters[i]) return; + groups = [], k = 0; + filterListeners[filterListeners.indexOf(update)] = + update = reset = crossfilter_null; + } + } + + // Reduces the specified selected or deselected records. + // This function is only used when the cardinality is greater than 1. + function updateMany(filterOne, added, removed) { + if (filterOne === one || resetNeeded) return; + + var i, + k, + n, + g; + + // Add the added values. + for (i = 0, n = added.length; i < n; ++i) { + if (!(filters[k = added[i]] & zero)) { + g = groups[groupIndex[k]]; + g.value = reduceAdd(g.value, data[k]); + } + } + + // Remove the removed values. + for (i = 0, n = removed.length; i < n; ++i) { + if ((filters[k = removed[i]] & zero) === filterOne) { + g = groups[groupIndex[k]]; + g.value = reduceRemove(g.value, data[k]); + } + } + } + + // Reduces the specified selected or deselected records. + // This function is only used when the cardinality is 1. + function updateOne(filterOne, added, removed) { + if (filterOne === one || resetNeeded) return; + + var i, + k, + n, + g = groups[0]; + + // Add the added values. + for (i = 0, n = added.length; i < n; ++i) { + if (!(filters[k = added[i]] & zero)) { + g.value = reduceAdd(g.value, data[k]); + } + } + + // Remove the removed values. + for (i = 0, n = removed.length; i < n; ++i) { + if ((filters[k = removed[i]] & zero) === filterOne) { + g.value = reduceRemove(g.value, data[k]); + } + } + } + + // Recomputes the group reduce values from scratch. + // This function is only used when the cardinality is greater than 1. + function resetMany() { + var i, + g; + + // Reset all group values. + for (i = 0; i < k; ++i) { + groups[i].value = reduceInitial(); + } + + // Add any selected records. + for (i = 0; i < n; ++i) { + if (!(filters[i] & zero)) { + g = groups[groupIndex[i]]; + g.value = reduceAdd(g.value, data[i]); + } + } + } + + // Recomputes the group reduce values from scratch. + // This function is only used when the cardinality is 1. + function resetOne() { + var i, + g = groups[0]; + + // Reset the singleton group values. + g.value = reduceInitial(); + + // Add any selected records. + for (i = 0; i < n; ++i) { + if (!(filters[i] & zero)) { + g.value = reduceAdd(g.value, data[i]); + } + } + } + + // Returns the array of group values, in the dimension's natural order. + function all() { + if (resetNeeded) reset(), resetNeeded = false; + return groups; + } + + // Returns a new array containing the top K group values, in reduce order. + function top(k) { + var top = select(all(), 0, groups.length, k); + return heap.sort(top, 0, top.length); + } + + // Sets the reduce behavior for this group to use the specified functions. + // This method lazily recomputes the reduce values, waiting until needed. + function reduce(add, remove, initial) { + reduceAdd = add; + reduceRemove = remove; + reduceInitial = initial; + resetNeeded = true; + return group; + } + + // A convenience method for reducing by count. + function reduceCount() { + return reduce(crossfilter_reduceIncrement, crossfilter_reduceDecrement, crossfilter_zero); + } + + // A convenience method for reducing by sum(value). + function reduceSum(value) { + return reduce(crossfilter_reduceAdd(value), crossfilter_reduceSubtract(value), crossfilter_zero); + } + + // Sets the reduce order, using the specified accessor. + function order(value) { + select = heapselect_by(valueOf); + heap = heap_by(valueOf); + function valueOf(d) { return value(d.value); } + return group; + } + + // A convenience method for natural ordering by reduce value. + function orderNatural() { + return order(crossfilter_identity); + } + + // Returns the cardinality of this group, irrespective of any filters. + function size() { + return k; + } + + // Removes this group and associated event listeners. + function dispose() { + var i = filterListeners.indexOf(update); + if (i >= 0) filterListeners.splice(i, 1); + i = indexListeners.indexOf(add); + if (i >= 0) indexListeners.splice(i, 1); + i = removeDataListeners.indexOf(removeData); + if (i >= 0) removeDataListeners.splice(i, 1); + return group; + } + + return reduceCount().orderNatural(); + } + + // A convenience function for generating a singleton group. + function groupAll() { + var g = group(crossfilter_null), all = g.all; + delete g.all; + delete g.top; + delete g.order; + delete g.orderNatural; + delete g.size; + g.value = function() { return all()[0].value; }; + return g; + } + + // Removes this dimension and associated groups and event listeners. + function dispose() { + dimensionGroups.forEach(function(group) { group.dispose(); }); + var i = dataListeners.indexOf(preAdd); + if (i >= 0) dataListeners.splice(i, 1); + i = dataListeners.indexOf(postAdd); + if (i >= 0) dataListeners.splice(i, 1); + i = removeDataListeners.indexOf(removeData); + if (i >= 0) removeDataListeners.splice(i, 1); + m &= zero; + return filterAll(); + } + + return dimension; + } + + // A convenience method for groupAll on a dummy dimension. + // This implementation can be optimized since it always has cardinality 1. + function groupAll() { + var group = { + reduce: reduce, + reduceCount: reduceCount, + reduceSum: reduceSum, + value: value, + dispose: dispose, + remove: dispose // for backwards-compatibility + }; + + var reduceValue, + reduceAdd, + reduceRemove, + reduceInitial, + resetNeeded = true; + + // The group listens to the crossfilter for when any dimension changes, so + // that it can update the reduce value. It must also listen to the parent + // dimension for when data is added. + filterListeners.push(update); + dataListeners.push(add); + + // For consistency; actually a no-op since resetNeeded is true. + add(data, 0, n); + + // Incorporates the specified new values into this group. + function add(newData, n0) { + var i; + + if (resetNeeded) return; + + // Add the added values. + for (i = n0; i < n; ++i) { + if (!filters[i]) { + reduceValue = reduceAdd(reduceValue, data[i]); + } + } + } + + // Reduces the specified selected or deselected records. + function update(filterOne, added, removed) { + var i, + k, + n; + + if (resetNeeded) return; + + // Add the added values. + for (i = 0, n = added.length; i < n; ++i) { + if (!filters[k = added[i]]) { + reduceValue = reduceAdd(reduceValue, data[k]); + } + } + + // Remove the removed values. + for (i = 0, n = removed.length; i < n; ++i) { + if (filters[k = removed[i]] === filterOne) { + reduceValue = reduceRemove(reduceValue, data[k]); + } + } + } + + // Recomputes the group reduce value from scratch. + function reset() { + var i; + + reduceValue = reduceInitial(); + + for (i = 0; i < n; ++i) { + if (!filters[i]) { + reduceValue = reduceAdd(reduceValue, data[i]); + } + } + } + + // Sets the reduce behavior for this group to use the specified functions. + // This method lazily recomputes the reduce value, waiting until needed. + function reduce(add, remove, initial) { + reduceAdd = add; + reduceRemove = remove; + reduceInitial = initial; + resetNeeded = true; + return group; + } + + // A convenience method for reducing by count. + function reduceCount() { + return reduce(crossfilter_reduceIncrement, crossfilter_reduceDecrement, crossfilter_zero); + } + + // A convenience method for reducing by sum(value). + function reduceSum(value) { + return reduce(crossfilter_reduceAdd(value), crossfilter_reduceSubtract(value), crossfilter_zero); + } + + // Returns the computed reduce value. + function value() { + if (resetNeeded) reset(), resetNeeded = false; + return reduceValue; + } + + // Removes this group and associated event listeners. + function dispose() { + var i = filterListeners.indexOf(update); + if (i >= 0) filterListeners.splice(i); + i = dataListeners.indexOf(add); + if (i >= 0) dataListeners.splice(i); + return group; + } + + return reduceCount(); + } + + // Returns the number of records in this crossfilter, irrespective of any filters. + function size() { + return n; + } + + return arguments.length + ? add(arguments[0]) + : crossfilter; +} + +// Returns an array of size n, big enough to store ids up to m. +function crossfilter_index(n, m) { + return (m < 0x101 + ? crossfilter_array8 : m < 0x10001 + ? crossfilter_array16 + : crossfilter_array32)(n); +} + +// Constructs a new array of size n, with sequential values from 0 to n - 1. +function crossfilter_range(n) { + var range = crossfilter_index(n, n); + for (var i = -1; ++i < n;) range[i] = i; + return range; +} + +function crossfilter_capacity(w) { + return w === 8 + ? 0x100 : w === 16 + ? 0x10000 + : 0x100000000; +} +})(typeof exports !== 'undefined' && exports || this); +/*! + * dc 2.0.0-alpha.5 + * http://dc-js.github.io/dc.js/ + * Copyright 2012 Nick Zhu and other contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +(function() { function _dc(d3, crossfilter) { +'use strict'; + +/** +#### Version 2.0.0-alpha.5 +The entire dc.js library is scoped under the **dc** name space. It does not introduce anything else +into the global name space. +#### Function Chaining +Most dc functions are designed to allow function chaining, meaning they return the current chart +instance whenever it is appropriate. This way chart configuration can be written in the following +style: +```js +chart.width(300) + .height(300) + .filter('sunday') +``` +The getter forms of functions do not participate in function chaining because they necessarily +return values that are not the chart. (Although some, such as `.svg` and `.xAxis`, return values +that are chainable d3 objects.) + +**/ + +/*jshint -W062*/ +/*jshint -W079*/ +var dc = { + version: '2.0.0-alpha.5', + constants: { + CHART_CLASS: 'dc-chart', + DEBUG_GROUP_CLASS: 'debug', + STACK_CLASS: 'stack', + DESELECTED_CLASS: 'deselected', + SELECTED_CLASS: 'selected', + NODE_INDEX_NAME: '__index__', + GROUP_INDEX_NAME: '__group_index__', + DEFAULT_CHART_GROUP: '__default_chart_group__', + EVENT_DELAY: 40, + NEGLIGIBLE_NUMBER: 1e-10 + }, + _renderlet: null +}; + +dc.chartRegistry = function () { + // chartGroup:string => charts:array + var _chartMap = {}; + + function initializeChartGroup(group) { + if (!group) { + group = dc.constants.DEFAULT_CHART_GROUP; + } + + if (!_chartMap[group]) { + _chartMap[group] = []; + } + + return group; + } + + return { + has: function (chart) { + for (var e in _chartMap) { + if (_chartMap[e].indexOf(chart) >= 0) { + return true; + } + } + return false; + }, + + register: function (chart, group) { + group = initializeChartGroup(group); + _chartMap[group].push(chart); + }, + + deregister: function (chart, group) { + group = initializeChartGroup(group); + for (var i = 0; i < _chartMap[group].length; i++) { + if (_chartMap[group][i].anchorName() === chart.anchorName()) { + _chartMap[group].splice(i, 1); + break; + } + } + }, + + clear: function (group) { + if (group) { + delete _chartMap[group]; + } else { + _chartMap = {}; + } + }, + + list: function (group) { + group = initializeChartGroup(group); + return _chartMap[group]; + } + }; +}(); +/*jshint +W062 */ +/*jshint +W079*/ + +dc.registerChart = function (chart, group) { + dc.chartRegistry.register(chart, group); +}; + +dc.deregisterChart = function (chart, group) { + dc.chartRegistry.deregister(chart, group); +}; + +dc.hasChart = function (chart) { + return dc.chartRegistry.has(chart); +}; + +dc.deregisterAllCharts = function (group) { + dc.chartRegistry.clear(group); +}; + +/** +## Utilities +**/ + +/** +#### dc.filterAll([chartGroup]) +Clear all filters on all charts within the given chart group. If the chart group is not given then +only charts that belong to the default chart group will be reset. +**/ +dc.filterAll = function (group) { + var charts = dc.chartRegistry.list(group); + for (var i = 0; i < charts.length; ++i) { + charts[i].filterAll(); + } +}; + +/** +#### dc.refocusAll([chartGroup]) +Reset zoom level / focus on all charts that belong to the given chart group. If the chart group is +not given then only charts that belong to the default chart group will be reset. +**/ +dc.refocusAll = function (group) { + var charts = dc.chartRegistry.list(group); + for (var i = 0; i < charts.length; ++i) { + if (charts[i].focus) { + charts[i].focus(); + } + } +}; + +/** +#### dc.renderAll([chartGroup]) +Re-render all charts belong to the given chart group. If the chart group is not given then only +charts that belong to the default chart group will be re-rendered. +**/ +dc.renderAll = function (group) { + var charts = dc.chartRegistry.list(group); + for (var i = 0; i < charts.length; ++i) { + charts[i].render(); + } + + if (dc._renderlet !== null) { + dc._renderlet(group); + } +}; + +/** +#### dc.redrawAll([chartGroup]) +Redraw all charts belong to the given chart group. If the chart group is not given then only charts +that belong to the default chart group will be re-drawn. Redraw is different from re-render since +when redrawing dc tries to update the graphic incrementally, using transitions, instead of starting +from scratch. +**/ +dc.redrawAll = function (group) { + var charts = dc.chartRegistry.list(group); + for (var i = 0; i < charts.length; ++i) { + charts[i].redraw(); + } + + if (dc._renderlet !== null) { + dc._renderlet(group); + } +}; + +/** +#### dc.disableTransitions +If this boolean is set truthy, all transitions will be disabled, and changes to the charts will happen +immediately. Default: false +**/ +dc.disableTransitions = false; + +dc.transition = function (selections, duration, callback) { + if (duration <= 0 || duration === undefined || dc.disableTransitions) { + return selections; + } + + var s = selections + .transition() + .duration(duration); + + if (typeof(callback) === 'function') { + callback(s); + } + + return s; +}; + +dc.units = {}; + +/** +#### dc.units.integers +`dc.units.integers` is the default value for `xUnits` for the [Coordinate Grid +Chart](#coordinate-grid-chart) and should be used when the x values are a sequence of integers. + +It is a function that counts the number of integers in the range supplied in its start and end parameters. + +```js +chart.xUnits(dc.units.integers) // already the default +``` + +**/ +dc.units.integers = function (s, e) { + return Math.abs(e - s); +}; + +/** +#### dc.units.ordinal +This argument can be passed to the `xUnits` function of the to specify ordinal units for the x +axis. Usually this parameter is used in combination with passing `d3.scale.ordinal()` to `.x`. + +It just returns the domain passed to it, which for ordinal charts is an array of all values. + +```js +chart.xUnits(dc.units.ordinal) + .x(d3.scale.ordinal()) +``` + +**/ +dc.units.ordinal = function (s, e, domain) { + return domain; +}; + +/** +#### dc.units.fp.precision(precision) +This function generates an argument for the [Coordinate Grid Chart's](#coordinate-grid-chart) +`xUnits` function specifying that the x values are floating-point numbers with the given +precision. + +The returned function determines how many values at the given precision will fit into the range +supplied in its start and end parameters. + +```js +// specify values (and ticks) every 0.1 units +chart.xUnits(dc.units.fp.precision(0.1) +// there are 500 units between 0.5 and 1 if the precision is 0.001 +var thousandths = dc.units.fp.precision(0.001); +thousandths(0.5, 1.0) // returns 500 +``` +**/ +dc.units.fp = {}; +dc.units.fp.precision = function (precision) { + var _f = function (s, e) { + var d = Math.abs((e - s) / _f.resolution); + if (dc.utils.isNegligible(d - Math.floor(d))) { + return Math.floor(d); + } else { + return Math.ceil(d); + } + }; + _f.resolution = precision; + return _f; +}; + +dc.round = {}; +dc.round.floor = function (n) { + return Math.floor(n); +}; +dc.round.ceil = function (n) { + return Math.ceil(n); +}; +dc.round.round = function (n) { + return Math.round(n); +}; + +dc.override = function (obj, functionName, newFunction) { + var existingFunction = obj[functionName]; + obj['_' + functionName] = existingFunction; + obj[functionName] = newFunction; +}; + +dc.renderlet = function (_) { + if (!arguments.length) { + return dc._renderlet; + } + dc._renderlet = _; + return dc; +}; + +dc.instanceOfChart = function (o) { + return o instanceof Object && o.__dcFlag__ && true; +}; + +dc.errors = {}; + +dc.errors.Exception = function (msg) { + var _msg = msg || 'Unexpected internal error'; + + this.message = _msg; + + this.toString = function () { + return _msg; + }; +}; + +dc.errors.InvalidStateException = function () { + dc.errors.Exception.apply(this, arguments); +}; + +dc.dateFormat = d3.time.format('%m/%d/%Y'); + +dc.printers = {}; + +dc.printers.filters = function (filters) { + var s = ''; + + for (var i = 0; i < filters.length; ++i) { + if (i > 0) { + s += ', '; + } + s += dc.printers.filter(filters[i]); + } + + return s; +}; + +dc.printers.filter = function (filter) { + var s = ''; + + if (typeof filter !== 'undefined' && filter !== null) { + if (filter instanceof Array) { + if (filter.length >= 2) { + s = '[' + dc.utils.printSingleValue(filter[0]) + ' -> ' + dc.utils.printSingleValue(filter[1]) + ']'; + } else if (filter.length >= 1) { + s = dc.utils.printSingleValue(filter[0]); + } + } else { + s = dc.utils.printSingleValue(filter); + } + } + + return s; +}; + +dc.pluck = function (n, f) { + if (!f) { + return function (d) { return d[n]; }; + } + return function (d, i) { return f.call(d, d[n], i); }; +}; + +dc.utils = {}; + +dc.utils.printSingleValue = function (filter) { + var s = '' + filter; + + if (filter instanceof Date) { + s = dc.dateFormat(filter); + } else if (typeof(filter) === 'string') { + s = filter; + } else if (dc.utils.isFloat(filter)) { + s = dc.utils.printSingleValue.fformat(filter); + } else if (dc.utils.isInteger(filter)) { + s = Math.round(filter); + } + + return s; +}; +dc.utils.printSingleValue.fformat = d3.format('.2f'); + +// FIXME: these assume than any string r is a percentage (whether or not it +// includes %). They also generate strange results if l is a string. +dc.utils.add = function (l, r) { + if (typeof r === 'string') { + r = r.replace('%', ''); + } + + if (l instanceof Date) { + if (typeof r === 'string') { + r = +r; + } + var d = new Date(); + d.setTime(l.getTime()); + d.setDate(l.getDate() + r); + return d; + } else if (typeof r === 'string') { + var percentage = (+r / 100); + return l > 0 ? l * (1 + percentage) : l * (1 - percentage); + } else { + return l + r; + } +}; + +dc.utils.subtract = function (l, r) { + if (typeof r === 'string') { + r = r.replace('%', ''); + } + + if (l instanceof Date) { + if (typeof r === 'string') { + r = +r; + } + var d = new Date(); + d.setTime(l.getTime()); + d.setDate(l.getDate() - r); + return d; + } else if (typeof r === 'string') { + var percentage = (+r / 100); + return l < 0 ? l * (1 + percentage) : l * (1 - percentage); + } else { + return l - r; + } +}; + +dc.utils.isNumber = function (n) { + return n === +n; +}; + +dc.utils.isFloat = function (n) { + return n === +n && n !== (n | 0); +}; + +dc.utils.isInteger = function (n) { + return n === +n && n === (n | 0); +}; + +dc.utils.isNegligible = function (n) { + return !dc.utils.isNumber(n) || (n < dc.constants.NEGLIGIBLE_NUMBER && n > -dc.constants.NEGLIGIBLE_NUMBER); +}; + +dc.utils.clamp = function (val, min, max) { + return val < min ? min : (val > max ? max : val); +}; + +var _idCounter = 0; +dc.utils.uniqueId = function () { + return ++_idCounter; +}; + +dc.utils.nameToId = function (name) { + return name.toLowerCase().replace(/[\s]/g, '_').replace(/[\.']/g, ''); +}; + +dc.utils.appendOrSelect = function (parent, selector, tag) { + tag = tag || selector; + var element = parent.select(selector); + if (element.empty()) { + element = parent.append(tag); + } + return element; +}; + +dc.utils.safeNumber = function (n) { return dc.utils.isNumber(+n) ? +n : 0;}; + +dc.logger = {}; + +dc.logger.enableDebugLog = false; + +dc.logger.warn = function (msg) { + if (console) { + if (console.warn) { + console.warn(msg); + } else if (console.log) { + console.log(msg); + } + } + + return dc.logger; +}; + +dc.logger.debug = function (msg) { + if (dc.logger.enableDebugLog && console) { + if (console.debug) { + console.debug(msg); + } else if (console.log) { + console.log(msg); + } + } + + return dc.logger; +}; + +dc.events = { + current: null +}; + +/** +#### dc.events.trigger(function[, delay]) +This function triggers a throttled event function with a specified delay (in milli-seconds). Events +that are triggered repetitively due to user interaction such brush dragging might flood the library +and invoke more renders than can be executed in time. Using this function to wrap your event +function allows the library to smooth out the rendering by throttling events and only responding to +the most recent event. + +```js + chart.renderlet(function(chart){ + // smooth the rendering through event throttling + dc.events.trigger(function(){ + // focus some other chart to the range selected by user on this chart + someOtherChart.focus(chart.filter()); + }); + }) +``` +**/ +dc.events.trigger = function (closure, delay) { + if (!delay) { + closure(); + return; + } + + dc.events.current = closure; + + setTimeout(function () { + if (closure === dc.events.current) { + closure(); + } + }, delay); +}; + +dc.filters = {}; + +/** +## Filters +The dc.js filters are functions which are passed into crossfilter to chose which records will be +accumulated to produce values for the charts. In the crossfilter model, any filters applied on one +dimension will affect all the other dimensions but not that one. dc always applies a filter +function to the dimension; the function combines multiple filters and if any of them accept a +record, it is filtered in. + +These filter constructors are used as appropriate by the various charts to implement brushing. We +mention below which chart uses which filter. In some cases, many instances of a filter will be added. + +**/ + +/** +#### dc.filters.RangedFilter(low, high) + RangedFilter is a filter which accepts keys between `low` and `high`. It is used to implement X + axis brushing for the [coordinate grid charts](#coordinate-grid-mixin). +**/ +dc.filters.RangedFilter = function (low, high) { + var range = new Array(low, high); + range.isFiltered = function (value) { + return value >= this[0] && value < this[1]; + }; + + return range; +}; + +/** +#### dc.filters.TwoDimensionalFilter(array) + TwoDimensionalFilter is a filter which accepts a single two-dimensional value. It is used by the + [heat map chart](#heat-map) to include particular cells as they are clicked. (Rows and columns are + filtered by filtering all the cells in the row or column.) +**/ +dc.filters.TwoDimensionalFilter = function (array) { + if (array === null) { return null; } + + var filter = array; + filter.isFiltered = function (value) { + return value.length && value.length === filter.length && + value[0] === filter[0] && value[1] === filter[1]; + }; + + return filter; +}; + +/** +#### dc.filters.RangedTwoDimensionalFilter(array) + The RangedTwoDimensionalFilter allows filtering all values which fit within a rectangular + region. It is used by the [scatter plot](#scatter-plot) to implement rectangular brushing. + + It takes two two-dimensional points in the form `[[x1,y1],[x2,y2]]`, and normalizes them so that + `x1 <= x2` and `y1 <- y2`. It then returns a filter which accepts any points which are in the + rectangular range including the lower values but excluding the higher values. + + If an array of two values are given to the RangedTwoDimensionalFilter, it interprets the values as + two x coordinates `x1` and `x2` and returns a filter which accepts any points for which `x1 <= x < + x2`. + **/ +dc.filters.RangedTwoDimensionalFilter = function (array) { + if (array === null) { return null; } + + var filter = array; + var fromBottomLeft; + + if (filter[0] instanceof Array) { + fromBottomLeft = [ + [Math.min(array[0][0], array[1][0]), Math.min(array[0][1], array[1][1])], + [Math.max(array[0][0], array[1][0]), Math.max(array[0][1], array[1][1])] + ]; + } else { + fromBottomLeft = [[array[0], -Infinity], [array[1], Infinity]]; + } + + filter.isFiltered = function (value) { + var x, y; + + if (value instanceof Array) { + if (value.length !== 2) { + return false; + } + x = value[0]; + y = value[1]; + } else { + x = value; + y = fromBottomLeft[0][1]; + } + + return x >= fromBottomLeft[0][0] && x < fromBottomLeft[1][0] && + y >= fromBottomLeft[0][1] && y < fromBottomLeft[1][1]; + }; + + return filter; +}; + +/** +## Base Mixin +Base Mixin is an abstract functional object representing a basic dc chart object +for all chart and widget implementations. Methods from the Base Mixin are inherited +and available on all chart implementation in the DC library. +**/ +dc.baseMixin = function (_chart) { + _chart.__dcFlag__ = dc.utils.uniqueId(); + + var _dimension; + var _group; + + var _anchor; + var _root; + var _svg; + + var _minWidth = 200; + var _defaultWidth = function (element) { + var width = element && element.getBoundingClientRect && element.getBoundingClientRect().width; + return (width && width > _minWidth) ? width : _minWidth; + }; + var _width = _defaultWidth; + + var _minHeight = 200; + var _defaultHeight = function (element) { + var height = element && element.getBoundingClientRect && element.getBoundingClientRect().height; + return (height && height > _minHeight) ? height : _minHeight; + }; + var _height = _defaultHeight; + + var _keyAccessor = dc.pluck('key'); + var _valueAccessor = dc.pluck('value'); + var _label = dc.pluck('key'); + + var _ordering = dc.pluck('key'); + var _orderSort; + + var _renderLabel = false; + + var _title = function (d) { + return _chart.keyAccessor()(d) + ': ' + _chart.valueAccessor()(d); + }; + var _renderTitle = true; + + var _transitionDuration = 750; + + var _filterPrinter = dc.printers.filters; + + var _renderlets = []; + var _mandatoryAttributes = ['dimension', 'group']; + + var _chartGroup = dc.constants.DEFAULT_CHART_GROUP; + + var _listeners = d3.dispatch( + 'preRender', + 'postRender', + 'preRedraw', + 'postRedraw', + 'filtered', + 'zoomed'); + + var _legend; + + var _filters = []; + var _filterHandler = function (dimension, filters) { + dimension.filter(null); + + if (filters.length === 0) { + dimension.filter(null); + } else { + dimension.filterFunction(function (d) { + for (var i = 0; i < filters.length; i++) { + var filter = filters[i]; + if (filter.isFiltered && filter.isFiltered(d)) { + return true; + } else if (filter <= d && filter >= d) { + return true; + } + } + return false; + }); + } + return filters; + }; + + var _data = function (group) { + return group.all(); + }; + + /** + #### .width([value]) + Set or get the width attribute of a chart. See `.height` below for further description of the + behavior. + + **/ + _chart.width = function (w) { + if (!arguments.length) { + return _width(_root.node()); + } + _width = d3.functor(w || _defaultWidth); + return _chart; + }; + + /** + #### .height([value]) + Set or get the height attribute of a chart. The height is applied to the SVG element generated by + the chart when rendered (or rerendered). If a value is given, then it will be used to calculate + the new height and the chart returned for method chaining. The value can either be a numeric, a + function, or falsy. If no value is specified then the value of the current height attribute will + be returned. + + By default, without an explicit height being given, the chart will select the width of its + anchor element. If that isn't possible it defaults to 200. Setting the value falsy will return + the chart to the default behavior + + Examples: + + ```js + chart.height(250); // Set the chart's height to 250px; + chart.height(function(anchor) { return doSomethingWith(anchor); }); // set the chart's height with a function + chart.height(null); // reset the height to the default auto calculation + ``` + + **/ + _chart.height = function (h) { + if (!arguments.length) { + return _height(_root.node()); + } + _height = d3.functor(h || _defaultHeight); + return _chart; + }; + + /** + #### .minWidth([value]) + Set or get the minimum width attribute of a chart. This only applicable if the width is + calculated by dc. + + **/ + _chart.minWidth = function (w) { + if (!arguments.length) { + return _minWidth; + } + _minWidth = w; + return _chart; + }; + + /** + #### .minHeight([value]) + Set or get the minimum height attribute of a chart. This only applicable if the height is + calculated by dc. + + **/ + _chart.minHeight = function (w) { + if (!arguments.length) { + return _minHeight; + } + _minHeight = w; + return _chart; + }; + + /** + #### .dimension([value]) - **mandatory** + Set or get the dimension attribute of a chart. In dc a dimension can be any valid [crossfilter + dimension](https://github.com/square/crossfilter/wiki/API-Reference#wiki-dimension). + + If a value is given, then it will be used as the new dimension. If no value is specified then + the current dimension will be returned. + + **/ + _chart.dimension = function (d) { + if (!arguments.length) { + return _dimension; + } + _dimension = d; + _chart.expireCache(); + return _chart; + }; + + /** + #### .data([callback]) + Set the data callback or retrieve the chart's data set. The data callback is passed the chart's + group and by default will return `group.all()`. This behavior may be modified to, for instance, + return only the top 5 groups: + ``` + chart.data(function(group) { + return group.top(5); + }); + ``` + **/ + _chart.data = function (d) { + if (!arguments.length) { + return _data.call(_chart, _group); + } + _data = d3.functor(d); + _chart.expireCache(); + return _chart; + }; + + /** + #### .group([value, [name]]) - **mandatory** + Set or get the group attribute of a chart. In dc a group is a [crossfilter + group](https://github.com/square/crossfilter/wiki/API-Reference#wiki-group). Usually the group + should be created from the particular dimension associated with the same chart. If a value is + given, then it will be used as the new group. + + If no value specified then the current group will be returned. + If `name` is specified then it will be used to generate legend label. + + **/ + _chart.group = function (g, name) { + if (!arguments.length) { + return _group; + } + _group = g; + _chart._groupName = name; + _chart.expireCache(); + return _chart; + }; + + /** + #### .ordering([orderFunction]) + Get or set an accessor to order ordinal charts + **/ + _chart.ordering = function (o) { + if (!arguments.length) { + return _ordering; + } + _ordering = o; + _orderSort = crossfilter.quicksort.by(_ordering); + _chart.expireCache(); + return _chart; + }; + + _chart._computeOrderedGroups = function (data) { + var dataCopy = data.slice(0); + + if (dataCopy.length <= 1) { + return dataCopy; + } + + if (!_orderSort) { + _orderSort = crossfilter.quicksort.by(_ordering); + } + + return _orderSort(dataCopy, 0, dataCopy.length); + }; + + /** + #### .filterAll() + Clear all filters associated with this chart. + + **/ + _chart.filterAll = function () { + return _chart.filter(null); + }; + + /** + #### .select(selector) + Execute d3 single selection in the chart's scope using the given selector and return the d3 + selection. Roughly the same as: + ```js + d3.select('#chart-id').select(selector); + ``` + This function is **not chainable** since it does not return a chart instance; however the d3 + selection result can be chained to d3 function calls. + + **/ + _chart.select = function (s) { + return _root.select(s); + }; + + /** + #### .selectAll(selector) + Execute in scope d3 selectAll using the given selector and return d3 selection result. Roughly + the same as: + ```js + d3.select('#chart-id').selectAll(selector); + ``` + This function is **not chainable** since it does not return a chart instance; however the d3 + selection result can be chained to d3 function calls. + + **/ + _chart.selectAll = function (s) { + return _root ? _root.selectAll(s) : null; + }; + + /** + #### .anchor([anchorChart|anchorSelector|anchorNode], [chartGroup]) + Set the svg root to either be an existing chart's root; or any valid [d3 single + selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying a dom + block element such as a div; or a dom element or d3 selection. Optionally registers the chart + within the chartGroup. This class is called internally on chart initialization, but be called + again to relocate the chart. However, it will orphan any previously created SVG elements. + **/ + _chart.anchor = function (a, chartGroup) { + if (!arguments.length) { + return _anchor; + } + if (dc.instanceOfChart(a)) { + _anchor = a.anchor(); + _root = a.root(); + } else { + _anchor = a; + _root = d3.select(_anchor); + _root.classed(dc.constants.CHART_CLASS, true); + dc.registerChart(_chart, chartGroup); + } + _chartGroup = chartGroup; + return _chart; + }; + + /** + #### .anchorName() + Returns the dom id for the chart's anchored location. + + **/ + _chart.anchorName = function () { + var a = _chart.anchor(); + if (a && a.id) { + return a.id; + } + if (a && a.replace) { + return a.replace('#', ''); + } + return '' + _chart.chartID(); + }; + + /** + #### .root([rootElement]) + Returns the root element where a chart resides. Usually it will be the parent div element where + the svg was created. You can also pass in a new root element however this is usually handled by + dc internally. Resetting the root element on a chart outside of dc internals may have + unexpected consequences. + + **/ + _chart.root = function (r) { + if (!arguments.length) { + return _root; + } + _root = r; + return _chart; + }; + + /** + #### .svg([svgElement]) + Returns the top svg element for this specific chart. You can also pass in a new svg element, + however this is usually handled by dc internally. Resetting the svg element on a chart outside + of dc internals may have unexpected consequences. + + **/ + _chart.svg = function (_) { + if (!arguments.length) { + return _svg; + } + _svg = _; + return _chart; + }; + + /** + #### .resetSvg() + Remove the chart's SVG elements from the dom and recreate the container SVG element. + **/ + _chart.resetSvg = function () { + _chart.select('svg').remove(); + return generateSvg(); + }; + + function generateSvg() { + _svg = _chart.root().append('svg') + .attr('width', _chart.width()) + .attr('height', _chart.height()); + return _svg; + } + + /** + #### .filterPrinter([filterPrinterFunction]) + Set or get the filter printer function. The filter printer function is used to generate human + friendly text for filter value(s) associated with the chart instance. By default dc charts use a + default filter printer `dc.printers.filter` that provides simple printing support for both + single value and ranged filters. + + **/ + _chart.filterPrinter = function (_) { + if (!arguments.length) { + return _filterPrinter; + } + _filterPrinter = _; + return _chart; + }; + + /** + #### .turnOnControls() & .turnOffControls() + Turn on/off optional control elements within the root element. dc currently supports the + following html control elements. + + * root.selectAll('.reset') - elements are turned on if the chart has an active filter. This type + of control element is usually used to store a reset link to allow user to reset filter on a + certain chart. This element will be turned off automatically if the filter is cleared. + * root.selectAll('.filter') elements are turned on if the chart has an active filter. The text + content of this element is then replaced with the current filter value using the filter printer + function. This type of element will be turned off automatically if the filter is cleared. + + **/ + _chart.turnOnControls = function () { + if (_root) { + _chart.selectAll('.reset').style('display', null); + _chart.selectAll('.filter').text(_filterPrinter(_chart.filters())).style('display', null); + } + return _chart; + }; + + _chart.turnOffControls = function () { + if (_root) { + _chart.selectAll('.reset').style('display', 'none'); + _chart.selectAll('.filter').style('display', 'none').text(_chart.filter()); + } + return _chart; + }; + + /** + #### .transitionDuration([duration]) + Set or get the animation transition duration(in milliseconds) for this chart instance. Default + duration is 750ms. + + **/ + _chart.transitionDuration = function (d) { + if (!arguments.length) { + return _transitionDuration; + } + _transitionDuration = d; + return _chart; + }; + + _chart._mandatoryAttributes = function (_) { + if (!arguments.length) { + return _mandatoryAttributes; + } + _mandatoryAttributes = _; + return _chart; + }; + + function checkForMandatoryAttributes(a) { + if (!_chart[a] || !_chart[a]()) { + throw new dc.errors.InvalidStateException('Mandatory attribute chart.' + a + + ' is missing on chart[#' + _chart.anchorName() + ']'); + } + } + + /** + #### .render() + Invoking this method will force the chart to re-render everything from scratch. Generally it + should only be used to render the chart for the first time on the page or if you want to make + sure everything is redrawn from scratch instead of relying on the default incremental redrawing + behaviour. + + **/ + _chart.render = function () { + _listeners.preRender(_chart); + + if (_mandatoryAttributes) { + _mandatoryAttributes.forEach(checkForMandatoryAttributes); + } + + var result = _chart._doRender(); + + if (_legend) { + _legend.render(); + } + + _chart._activateRenderlets('postRender'); + + return result; + }; + + _chart._activateRenderlets = function (event) { + if (_chart.transitionDuration() > 0 && _svg) { + _svg.transition().duration(_chart.transitionDuration()) + .each('end', function () { + runAllRenderlets(); + if (event) { + _listeners[event](_chart); + } + }); + } else { + runAllRenderlets(); + if (event) { + _listeners[event](_chart); + } + } + }; + + /** + #### .redraw() + Calling redraw will cause the chart to re-render data changes incrementally. If there is no + change in the underlying data dimension then calling this method will have no effect on the + chart. Most chart interaction in dc will automatically trigger this method through internal + events (in particular [dc.redrawAll](#dcredrawallchartgroup)); therefore, you only need to + manually invoke this function if data is manipulated outside of dc's control (for example if + data is loaded in the background using `crossfilter.add()`). + + **/ + _chart.redraw = function () { + _listeners.preRedraw(_chart); + + var result = _chart._doRedraw(); + + if (_legend) { + _legend.render(); + } + + _chart._activateRenderlets('postRedraw'); + + return result; + }; + + _chart.redrawGroup = function () { + dc.redrawAll(_chart.chartGroup()); + }; + + _chart.renderGroup = function () { + dc.renderAll(_chart.chartGroup()); + }; + + _chart._invokeFilteredListener = function (f) { + if (f !== undefined) { + _listeners.filtered(_chart, f); + } + }; + + _chart._invokeZoomedListener = function () { + _listeners.zoomed(_chart); + }; + + var _hasFilterHandler = function (filters, filter) { + if (filter === null || typeof(filter) === 'undefined') { + return filters.length > 0; + } + return filters.some(function (f) { + return filter <= f && filter >= f; + }); + }; + + /** + #### .hasFilterHandler([function]) + Set or get the has filter handler. The has filter handler is a function that checks to see if + the chart's current filters include a specific filter. Using a custom has filter handler allows + you to change the way filters are checked for and replaced. + + ```js + // default has filter handler + function (filters, filter) { + if (filter === null || typeof(filter) === 'undefined') { + return filters.length > 0; + } + return filters.some(function (f) { + return filter <= f && filter >= f; + }); + } + + // custom filter handler (no-op) + chart.hasFilterHandler(function(filters, filter) { + return false; + }); + ``` + **/ + _chart.hasFilterHandler = function (_) { + if (!arguments.length) { + return _hasFilterHandler; + } + _hasFilterHandler = _; + return _chart; + }; + + /** + #### .hasFilter([filter]) + Check whether any active filter or a specific filter is associated with particular chart instance. + This function is **not chainable**. + + **/ + _chart.hasFilter = function (filter) { + return _hasFilterHandler(_filters, filter); + }; + + var _removeFilterHandler = function (filters, filter) { + for (var i = 0; i < filters.length; i++) { + if (filters[i] <= filter && filters[i] >= filter) { + filters.splice(i, 1); + break; + } + } + return filters; + }; + + /** + #### .removeFilterHandler([function]) + Set or get the remove filter handler. The remove filter handler is a function that removes a + filter from the chart's current filters. Using a custom remove filter handler allows you to + change how filters are removed or perform additional work when removing a filter, e.g. when + using a filter server other than crossfilter. + + Any changes should modify the `filters` array argument and return that array. + + ```js + // default remove filter handler + function (filters, filter) { + for (var i = 0; i < filters.length; i++) { + if (filters[i] <= filter && filters[i] >= filter) { + filters.splice(i, 1); + break; + } + } + return filters; + } + + // custom filter handler (no-op) + chart.removeFilterHandler(function(filters, filter) { + return filters; + }); + ``` + **/ + _chart.removeFilterHandler = function (_) { + if (!arguments.length) { + return _removeFilterHandler; + } + _removeFilterHandler = _; + return _chart; + }; + + var _addFilterHandler = function (filters, filter) { + filters.push(filter); + return filters; + }; + + /** + #### .addFilterHandler([function]) + Set or get the add filter handler. The add filter handler is a function that adds a filter to + the chart's filter list. Using a custom add filter handler allows you to change the way filters + are added or perform additional work when adding a filter, e.g. when using a filter server other + than crossfilter. + + Any changes should modify the `filters` array argument and return that array. + + ```js + // default add filter handler + function (filters, filter) { + filters.push(filter); + return filters; + } + + // custom filter handler (no-op) + chart.addFilterHandler(function(filters, filter) { + return filters; + }); + ``` + **/ + _chart.addFilterHandler = function (_) { + if (!arguments.length) { + return _addFilterHandler; + } + _addFilterHandler = _; + return _chart; + }; + + var _resetFilterHandler = function (filters) { + return []; + }; + + /** + #### .resetFilterHandler([function]) + Set or get the reset filter handler. The reset filter handler is a function that resets the + chart's filter list by returning a new list. Using a custom reset filter handler allows you to + change the way filters are reset, or perform additional work when resetting the filters, + e.g. when using a filter server other than crossfilter. + + This function should return an array. + + ```js + // default remove filter handler + function (filters) { + return []; + } + + // custom filter handler (no-op) + chart.resetFilterHandler(function(filters) { + return filters; + }); + ``` + **/ + _chart.resetFilterHandler = function (_) { + if (!arguments.length) { + return _resetFilterHandler; + } + _resetFilterHandler = _; + return _chart; + }; + + function applyFilters() { + if (_chart.dimension() && _chart.dimension().filter) { + var fs = _filterHandler(_chart.dimension(), _filters); + _filters = fs ? fs : _filters; + } + } + + _chart.replaceFilter = function (_) { + _filters = []; + _chart.filter(_); + }; + + /** + #### .filter([filterValue]) + Filter the chart by the given value or return the current filter if the input parameter is missing. + ```js + // filter by a single string + chart.filter('Sunday'); + // filter by a single age + chart.filter(18); + ``` + **/ + _chart.filter = function (_) { + if (!arguments.length) { + return _filters.length > 0 ? _filters[0] : null; + } + if (_ instanceof Array && _[0] instanceof Array && !_.isFiltered) { + _[0].forEach(function (d) { + if (_chart.hasFilter(d)) { + _removeFilterHandler(_filters, d); + } else { + _addFilterHandler(_filters, d); + } + }); + } else if (_ === null) { + _filters = _resetFilterHandler(_filters); + } else { + if (_chart.hasFilter(_)) { + _removeFilterHandler(_filters, _); + } else { + _addFilterHandler(_filters, _); + } + } + applyFilters(); + _chart._invokeFilteredListener(_); + + if (_root !== null && _chart.hasFilter()) { + _chart.turnOnControls(); + } else { + _chart.turnOffControls(); + } + + return _chart; + }; + + /** + #### .filters() + Returns all current filters. This method does not perform defensive cloning of the internal + filter array before returning, therefore any modification of the returned array will effect the + chart's internal filter storage. + + **/ + _chart.filters = function () { + return _filters; + }; + + _chart.highlightSelected = function (e) { + d3.select(e).classed(dc.constants.SELECTED_CLASS, true); + d3.select(e).classed(dc.constants.DESELECTED_CLASS, false); + }; + + _chart.fadeDeselected = function (e) { + d3.select(e).classed(dc.constants.SELECTED_CLASS, false); + d3.select(e).classed(dc.constants.DESELECTED_CLASS, true); + }; + + _chart.resetHighlight = function (e) { + d3.select(e).classed(dc.constants.SELECTED_CLASS, false); + d3.select(e).classed(dc.constants.DESELECTED_CLASS, false); + }; + + /** + #### .onClick(datum) + This function is passed to d3 as the onClick handler for each chart. The default behavior is to + filter on the clicked datum (passed to the callback) and redraw the chart group. + **/ + _chart.onClick = function (d) { + var filter = _chart.keyAccessor()(d); + dc.events.trigger(function () { + _chart.filter(filter); + _chart.redrawGroup(); + }); + }; + + /** + #### .filterHandler([function]) + Set or get the filter handler. The filter handler is a function that performs the filter action + on a specific dimension. Using a custom filter handler allows you to perform additional logic + before or after filtering. + + ```js + // default filter handler + function(dimension, filter){ + dimension.filter(filter); // perform filtering + return filter; // return the actual filter value + } + + // custom filter handler + chart.filterHandler(function(dimension, filter){ + var newFilter = filter + 10; + dimension.filter(newFilter); + return newFilter; // set the actual filter value to the new value + }); + ``` + + **/ + _chart.filterHandler = function (_) { + if (!arguments.length) { + return _filterHandler; + } + _filterHandler = _; + return _chart; + }; + + // abstract function stub + _chart._doRender = function () { + // do nothing in base, should be overridden by sub-function + return _chart; + }; + + _chart._doRedraw = function () { + // do nothing in base, should be overridden by sub-function + return _chart; + }; + + _chart.legendables = function () { + // do nothing in base, should be overridden by sub-function + return []; + }; + + _chart.legendHighlight = function () { + // do nothing in base, should be overridden by sub-function + }; + + _chart.legendReset = function () { + // do nothing in base, should be overridden by sub-function + }; + + _chart.legendToggle = function () { + // do nothing in base, should be overriden by sub-function + }; + + _chart.isLegendableHidden = function () { + // do nothing in base, should be overridden by sub-function + return false; + }; + + /** + #### .keyAccessor([keyAccessorFunction]) + Set or get the key accessor function. The key accessor function is used to retrieve the key + value from the crossfilter group. Key values are used differently in different charts, for + example keys correspond to slices in a pie chart and x axis positions in a grid coordinate chart. + ```js + // default key accessor + chart.keyAccessor(function(d) { return d.key; }); + // custom key accessor for a multi-value crossfilter reduction + chart.keyAccessor(function(p) { return p.value.absGain; }); + ``` + + **/ + _chart.keyAccessor = function (_) { + if (!arguments.length) { + return _keyAccessor; + } + _keyAccessor = _; + return _chart; + }; + + /** + #### .valueAccessor([valueAccessorFunction]) + Set or get the value accessor function. The value accessor function is used to retrieve the + value from the crossfilter group. Group values are used differently in different charts, for + example values correspond to slice sizes in a pie chart and y axis positions in a grid + coordinate chart. + ```js + // default value accessor + chart.valueAccessor(function(d) { return d.value; }); + // custom value accessor for a multi-value crossfilter reduction + chart.valueAccessor(function(p) { return p.value.percentageGain; }); + ``` + + **/ + _chart.valueAccessor = function (_) { + if (!arguments.length) { + return _valueAccessor; + } + _valueAccessor = _; + return _chart; + }; + + /** + #### .label([labelFunction]) + Set or get the label function. The chart class will use this function to render labels for each + child element in the chart, e.g. slices in a pie chart or bubbles in a bubble chart. Not every + chart supports the label function for example bar chart and line chart do not use this function + at all. + ```js + // default label function just return the key + chart.label(function(d) { return d.key; }); + // label function has access to the standard d3 data binding and can get quite complicated + chart.label(function(d) { return d.data.key + '(' + Math.floor(d.data.value / all.value() * 100) + '%)'; }); + ``` + + **/ + _chart.label = function (_) { + if (!arguments.length) { + return _label; + } + _label = _; + _renderLabel = true; + return _chart; + }; + + /** + #### .renderLabel(boolean) + Turn on/off label rendering + + **/ + _chart.renderLabel = function (_) { + if (!arguments.length) { + return _renderLabel; + } + _renderLabel = _; + return _chart; + }; + + /** + #### .title([titleFunction]) + Set or get the title function. The chart class will use this function to render the svg title + (usually interpreted by browser as tooltips) for each child element in the chart, e.g. a slice + in a pie chart or a bubble in a bubble chart. Almost every chart supports the title function; + however in grid coordinate charts you need to turn off the brush in order to see titles, because + otherwise the brush layer will block tooltip triggering. + ```js + // default title function just return the key + chart.title(function(d) { return d.key + ': ' + d.value; }); + // title function has access to the standard d3 data binding and can get quite complicated + chart.title(function(p) { + return p.key.getFullYear() + + '\n' + + 'Index Gain: ' + numberFormat(p.value.absGain) + '\n' + + 'Index Gain in Percentage: ' + numberFormat(p.value.percentageGain) + '%\n' + + 'Fluctuation / Index Ratio: ' + numberFormat(p.value.fluctuationPercentage) + '%'; + }); + ``` + + **/ + _chart.title = function (_) { + if (!arguments.length) { + return _title; + } + _title = _; + return _chart; + }; + + /** + #### .renderTitle(boolean) + Turn on/off title rendering, or return the state of the render title flag if no arguments are + given. + + **/ + _chart.renderTitle = function (_) { + if (!arguments.length) { + return _renderTitle; + } + _renderTitle = _; + return _chart; + }; + + /** + #### .renderlet(renderletFunction) + A renderlet is similar to an event listener on rendering event. Multiple renderlets can be added + to an individual chart. Each time a chart is rerendered or redrawn the renderlets are invoked + right after the chart finishes its own drawing routine, giving you a way to modify the svg + elements. Renderlet functions take the chart instance as the only input parameter and you can + use the dc API or use raw d3 to achieve pretty much any effect. + ```js + // renderlet function + chart.renderlet(function(chart){ + // mix of dc API and d3 manipulation + chart.select('g.y').style('display', 'none'); + // its a closure so you can also access other chart variable available in the closure scope + moveChart.filter(chart.filter()); + }); + ``` + + **/ + _chart.renderlet = function (_) { + _renderlets.push(_); + return _chart; + }; + + function runAllRenderlets() { + for (var i = 0; i < _renderlets.length; ++i) { + _renderlets[i](_chart); + } + } + + /** + #### .chartGroup([group]) + Get or set the chart group to which this chart belongs. Chart groups are rendered or redrawn + together since it is expected they share the same underlying crossfilter data set. + **/ + _chart.chartGroup = function (_) { + if (!arguments.length) { + return _chartGroup; + } + _chartGroup = _; + return _chart; + }; + + /** + #### .expireCache() + Expire the internal chart cache. dc charts cache some data internally on a per chart basis to + speed up rendering and avoid unnecessary calculation; however it might be useful to clear the + cache if you have changed state which will affect rendering. For example if you invoke the + `crossfilter.add` function or reset group or dimension after rendering it is a good idea to + clear the cache to make sure charts are rendered properly. + + **/ + _chart.expireCache = function () { + // do nothing in base, should be overridden by sub-function + return _chart; + }; + + /** + #### .legend([dc.legend]) + Attach a dc.legend widget to this chart. The legend widget will automatically draw legend labels + based on the color setting and names associated with each group. + + ```js + chart.legend(dc.legend().x(400).y(10).itemHeight(13).gap(5)) + ``` + + **/ + _chart.legend = function (l) { + if (!arguments.length) { + return _legend; + } + _legend = l; + _legend.parent(_chart); + return _chart; + }; + + /** + #### .chartID() + Returns the internal numeric ID of the chart. + **/ + _chart.chartID = function () { + return _chart.__dcFlag__; + }; + + /** + #### .options(optionsObject) + Set chart options using a configuration object. Each key in the object will cause the method of + the same name to be called with the value to set that attribute for the chart. + + Example: + ``` + chart.options({dimension: myDimension, group: myGroup}); + ``` + **/ + _chart.options = function (opts) { + for (var o in opts) { + if (typeof(_chart[o]) === 'function') { + _chart[o].call(_chart, opts[o]); + } else { + dc.logger.debug('Not a valid option setter name: ' + o); + } + } + return _chart; + }; + + /** + ## Listeners + All dc chart instance supports the following listeners. + + #### .on('preRender', function(chart){...}) + This listener function will be invoked before chart rendering. + + #### .on('postRender', function(chart){...}) + This listener function will be invoked after chart finish rendering including all renderlets' logic. + + #### .on('preRedraw', function(chart){...}) + This listener function will be invoked before chart redrawing. + + #### .on('postRedraw', function(chart){...}) + This listener function will be invoked after chart finish redrawing including all renderlets' logic. + + #### .on('filtered', function(chart, filter){...}) + This listener function will be invoked after a filter is applied, added or removed. + + #### .on('zoomed', function(chart, filter){...}) + This listener function will be invoked after a zoom is triggered. + + **/ + _chart.on = function (event, listener) { + _listeners.on(event, listener); + return _chart; + }; + + return _chart; +}; + +/** +## Margin Mixin +Margin is a mixin that provides margin utility functions for both the Row Chart and Coordinate Grid +Charts. + +**/ +dc.marginMixin = function (_chart) { + var _margin = {top: 10, right: 50, bottom: 30, left: 30}; + + /** + #### .margins([margins]) + Get or set the margins for a particular coordinate grid chart instance. The margins is stored as + an associative Javascript array. Default margins: {top: 10, right: 50, bottom: 30, left: 30}. + + The margins can be accessed directly from the getter. + ```js + var leftMargin = chart.margins().left; // 30 by default + chart.margins().left = 50; + leftMargin = chart.margins().left; // now 50 + ``` + + **/ + _chart.margins = function (m) { + if (!arguments.length) { + return _margin; + } + _margin = m; + return _chart; + }; + + _chart.effectiveWidth = function () { + return _chart.width() - _chart.margins().left - _chart.margins().right; + }; + + _chart.effectiveHeight = function () { + return _chart.height() - _chart.margins().top - _chart.margins().bottom; + }; + + return _chart; +}; + +/** +## Color Mixin +The Color Mixin is an abstract chart functional class providing universal coloring support +as a mix-in for any concrete chart implementation. + +**/ + +dc.colorMixin = function (_chart) { + var _colors = d3.scale.category20c(); + var _defaultAccessor = true; + + var _colorAccessor = function (d) { return _chart.keyAccessor()(d); }; + + /** + #### .colors([colorScale]) + Retrieve current color scale or set a new color scale. This methods accepts any function that + operates like a d3 scale. If not set the default is + `d3.scale.category20c()`. + ```js + // alternate categorical scale + chart.colors(d3.scale.category20b()); + + // ordinal scale + chart.colors(d3.scale.ordinal().range(['red','green','blue'])); + // convenience method, the same as above + chart.ordinalColors(['red','green','blue']); + + // set a linear scale + chart.linearColors(["#4575b4", "#ffffbf", "#a50026"]); + ``` + **/ + _chart.colors = function (_) { + if (!arguments.length) { + return _colors; + } + if (_ instanceof Array) { + _colors = d3.scale.quantize().range(_); // deprecated legacy support, note: this fails for ordinal domains + } else { + _colors = d3.functor(_); + } + return _chart; + }; + + /** + #### .ordinalColors(r) + Convenience method to set the color scale to d3.scale.ordinal with range `r`. + + **/ + _chart.ordinalColors = function (r) { + return _chart.colors(d3.scale.ordinal().range(r)); + }; + + /** + #### .linearColors(r) + Convenience method to set the color scale to an Hcl interpolated linear scale with range `r`. + + **/ + _chart.linearColors = function (r) { + return _chart.colors(d3.scale.linear() + .range(r) + .interpolate(d3.interpolateHcl)); + }; + + /** + #### .colorAccessor([colorAccessorFunction]) + Set or the get color accessor function. This function will be used to map a data point in a + crossfilter group to a color value on the color scale. The default function uses the key + accessor. + ```js + // default index based color accessor + .colorAccessor(function (d, i){return i;}) + // color accessor for a multi-value crossfilter reduction + .colorAccessor(function (d){return d.value.absGain;}) + ``` + **/ + _chart.colorAccessor = function (_) { + if (!arguments.length) { + return _colorAccessor; + } + _colorAccessor = _; + _defaultAccessor = false; + return _chart; + }; + + // what is this? + _chart.defaultColorAccessor = function () { + return _defaultAccessor; + }; + + /** + #### .colorDomain([domain]) + Set or get the current domain for the color mapping function. The domain must be supplied as an + array. + + Note: previously this method accepted a callback function. Instead you may use a custom scale + set by `.colors`. + + **/ + _chart.colorDomain = function (_) { + if (!arguments.length) { + return _colors.domain(); + } + _colors.domain(_); + return _chart; + }; + + /** + #### .calculateColorDomain() + Set the domain by determining the min and max values as retrieved by `.colorAccessor` over the + chart's dataset. + + **/ + _chart.calculateColorDomain = function () { + var newDomain = [d3.min(_chart.data(), _chart.colorAccessor()), + d3.max(_chart.data(), _chart.colorAccessor())]; + _colors.domain(newDomain); + }; + + /** + #### .getColor(d [, i]) + Get the color for the datum d and counter i. This is used internally by charts to retrieve a color. + + **/ + _chart.getColor = function (d, i) { + return _colors(_colorAccessor.call(this, d, i)); + }; + + /** + #### .colorCalculator([value]) + Gets or sets chart.getColor. + **/ + _chart.colorCalculator = function (_) { + if (!arguments.length) { + return _chart.getColor; + } + _chart.getColor = _; + return _chart; + }; + + return _chart; +}; + +/** +## Coordinate Grid Mixin +Includes: [Color Mixin](#color-mixin), [Margin Mixin](#margin-mixin), [Base Mixin](#base-mixin) + +Coordinate Grid is an abstract base chart designed to support a number of coordinate grid based +concrete chart types, e.g. bar chart, line chart, and bubble chart. + +**/ +dc.coordinateGridMixin = function (_chart) { + var GRID_LINE_CLASS = 'grid-line'; + var HORIZONTAL_CLASS = 'horizontal'; + var VERTICAL_CLASS = 'vertical'; + var Y_AXIS_LABEL_CLASS = 'y-axis-label'; + var X_AXIS_LABEL_CLASS = 'x-axis-label'; + var DEFAULT_AXIS_LABEL_PADDING = 12; + + _chart = dc.colorMixin(dc.marginMixin(dc.baseMixin(_chart))); + + _chart.colors(d3.scale.category10()); + _chart._mandatoryAttributes().push('x'); + + function zoomHandler () { + _refocused = true; + if (_zoomOutRestrict) { + _chart.x().domain(constrainRange(_chart.x().domain(), _xOriginalDomain)); + if (_rangeChart) { + _chart.x().domain(constrainRange(_chart.x().domain(), _rangeChart.x().domain())); + } + } + + var domain = _chart.x().domain(); + var domFilter = dc.filters.RangedFilter(domain[0], domain[1]); + + _chart.replaceFilter(domFilter); + _chart.rescale(); + _chart.redraw(); + + if (_rangeChart && !rangesEqual(_chart.filter(), _rangeChart.filter())) { + dc.events.trigger(function () { + _rangeChart.replaceFilter(domFilter); + _rangeChart.redraw(); + }); + } + + _chart._invokeZoomedListener(); + + dc.events.trigger(function () { + _chart.redrawGroup(); + }, dc.constants.EVENT_DELAY); + + _refocused = !rangesEqual(domain, _xOriginalDomain); + } + + var _parent; + var _g; + var _chartBodyG; + + var _x; + var _xOriginalDomain; + var _xAxis = d3.svg.axis().orient('bottom'); + var _xUnits = dc.units.integers; + var _xAxisPadding = 0; + var _xElasticity = false; + var _xAxisLabel; + var _xAxisLabelPadding = 0; + var _lastXDomain; + + var _y; + var _yAxis = d3.svg.axis().orient('left'); + var _yAxisPadding = 0; + var _yElasticity = false; + var _yAxisLabel; + var _yAxisLabelPadding = 0; + + var _brush = d3.svg.brush(); + var _brushOn = true; + var _round; + + var _renderHorizontalGridLine = false; + var _renderVerticalGridLine = false; + + var _refocused = false; + var _unitCount; + + var _zoomScale = [1, Infinity]; + var _zoomOutRestrict = true; + + var _zoom = d3.behavior.zoom().on('zoom', zoomHandler); + var _nullZoom = d3.behavior.zoom().on('zoom', null); + var _hasBeenMouseZoomable = false; + + var _rangeChart; + var _focusChart; + + var _mouseZoomable = false; + var _clipPadding = 0; + + var _outerRangeBandPadding = 0.5; + var _rangeBandPadding = 0; + + var _useRightYAxis = false; + + _chart.rescale = function () { + _unitCount = undefined; + }; + + /** + #### .rangeChart([chart]) + Get or set the range selection chart associated with this instance. Setting the range selection + chart using this function will automatically update its selection brush when the current chart + zooms in. In return the given range chart will also automatically attach this chart as its focus + chart hence zoom in when range brush updates. See the [Nasdaq 100 + Index](http://dc-js.github.com/dc.js/) example for this effect in action. + + **/ + _chart.rangeChart = function (_) { + if (!arguments.length) { + return _rangeChart; + } + _rangeChart = _; + _rangeChart.focusChart(_chart); + return _chart; + }; + + /** + #### .zoomScale([extent]) + Get or set the scale extent for mouse zooms. + + **/ + _chart.zoomScale = function (_) { + if (!arguments.length) { + return _zoomScale; + } + _zoomScale = _; + return _chart; + }; + + /** + #### .zoomOutRestrict([true/false]) + Get or set the zoom restriction for the chart. If true limits the zoom to origional domain of the chart. + **/ + _chart.zoomOutRestrict = function (r) { + if (!arguments.length) { + return _zoomOutRestrict; + } + _zoomScale[0] = r ? 1 : 0; + _zoomOutRestrict = r; + return _chart; + }; + + _chart._generateG = function (parent) { + if (parent === undefined) { + _parent = _chart.svg(); + } else { + _parent = parent; + } + + _g = _parent.append('g'); + + _chartBodyG = _g.append('g').attr('class', 'chart-body') + .attr('transform', 'translate(' + _chart.margins().left + ', ' + _chart.margins().top + ')') + .attr('clip-path', 'url(#' + getClipPathId() + ')'); + + return _g; + }; + + /** + #### .g([gElement]) + Get or set the root g element. This method is usually used to retrieve the g element in order to + overlay custom svg drawing programatically. **Caution**: The root g element is usually generated + by dc.js internals, and resetting it might produce unpredictable result. + + **/ + _chart.g = function (_) { + if (!arguments.length) { + return _g; + } + _g = _; + return _chart; + }; + + /** + #### .mouseZoomable([boolean]) + Set or get mouse zoom capability flag (default: false). When turned on the chart will be + zoomable using the mouse wheel. If the range selector chart is attached zooming will also update + the range selection brush on the associated range selector chart. + + **/ + _chart.mouseZoomable = function (z) { + if (!arguments.length) { + return _mouseZoomable; + } + _mouseZoomable = z; + return _chart; + }; + + /** + #### .chartBodyG() + Retrieve the svg group for the chart body. + **/ + _chart.chartBodyG = function (_) { + if (!arguments.length) { + return _chartBodyG; + } + _chartBodyG = _; + return _chart; + }; + + /** + #### .x([xScale]) - **mandatory** + Get or set the x scale. The x scale can be any d3 + [quantitive scale](https://github.com/mbostock/d3/wiki/Quantitative-Scales) or + [ordinal scale](https://github.com/mbostock/d3/wiki/Ordinal-Scales). + ```js + // set x to a linear scale + chart.x(d3.scale.linear().domain([-2500, 2500])) + // set x to a time scale to generate histogram + chart.x(d3.time.scale().domain([new Date(1985, 0, 1), new Date(2012, 11, 31)])) + ``` + + **/ + _chart.x = function (_) { + if (!arguments.length) { + return _x; + } + _x = _; + _xOriginalDomain = _x.domain(); + return _chart; + }; + + _chart.xOriginalDomain = function () { + return _xOriginalDomain; + }; + + /** + #### .xUnits([xUnits function]) + Set or get the xUnits function. The coordinate grid chart uses the xUnits function to calculate + the number of data projections on x axis such as the number of bars for a bar chart or the + number of dots for a line chart. This function is expected to return a Javascript array of all + data points on x axis, or the number of points on the axis. [d3 time range functions + d3.time.days, d3.time.months, and + d3.time.years](https://github.com/mbostock/d3/wiki/Time-Intervals#aliases) are all valid xUnits + function. dc.js also provides a few units function, see the [Utilities](#utilities) section for + a list of built-in units functions. The default xUnits function is dc.units.integers. + ```js + // set x units to count days + chart.xUnits(d3.time.days); + // set x units to count months + chart.xUnits(d3.time.months); + ``` + A custom xUnits function can be used as long as it follows the following interface: + ```js + // units in integer + function(start, end, xDomain) { + // simply calculates how many integers in the domain + return Math.abs(end - start); + }; + + // fixed units + function(start, end, xDomain) { + // be aware using fixed units will disable the focus/zoom ability on the chart + return 1000; + }; + ``` + + **/ + _chart.xUnits = function (_) { + if (!arguments.length) { + return _xUnits; + } + _xUnits = _; + return _chart; + }; + + /** + #### .xAxis([xAxis]) + Set or get the x axis used by a particular coordinate grid chart instance. This function is most + useful when x axis customization is required. The x axis in dc.js is an instance of a [d3 + axis object](https://github.com/mbostock/d3/wiki/SVG-Axes#wiki-axis); therefore it supports any + valid d3 axis manipulation. **Caution**: The x axis is usually generated internally by dc; + resetting it may cause unexpected results. + ```js + // customize x axis tick format + chart.xAxis().tickFormat(function(v) {return v + '%';}); + // customize x axis tick values + chart.xAxis().tickValues([0, 100, 200, 300]); + ``` + + **/ + _chart.xAxis = function (_) { + if (!arguments.length) { + return _xAxis; + } + _xAxis = _; + return _chart; + }; + + /** + #### .elasticX([boolean]) + Turn on/off elastic x axis behavior. If x axis elasticity is turned on, then the grid chart will + attempt to recalculate the x axis range whenever a redraw event is triggered. + + **/ + _chart.elasticX = function (_) { + if (!arguments.length) { + return _xElasticity; + } + _xElasticity = _; + return _chart; + }; + + /** + #### .xAxisPadding([padding]) + Set or get x axis padding for the elastic x axis. The padding will be added to both end of the x + axis if elasticX is turned on; otherwise it is ignored. + + * padding can be an integer or percentage in string (e.g. '10%'). Padding can be applied to + number or date x axes. When padding a date axis, an integer represents number of days being padded + and a percentage string will be treated the same as an integer. + + **/ + _chart.xAxisPadding = function (_) { + if (!arguments.length) { + return _xAxisPadding; + } + _xAxisPadding = _; + return _chart; + }; + + /** + #### .xUnitCount() + Returns the number of units displayed on the x axis using the unit measure configured by + .xUnits. + **/ + _chart.xUnitCount = function () { + if (_unitCount === undefined) { + var units = _chart.xUnits()(_chart.x().domain()[0], _chart.x().domain()[1], _chart.x().domain()); + + if (units instanceof Array) { + _unitCount = units.length; + } else { + _unitCount = units; + } + } + + return _unitCount; + }; + /** + #### .useRightYAxis() + Gets or sets whether the chart should be drawn with a right axis instead of a left axis. When + used with a chart in a composite chart, allows both left and right Y axes to be shown on a + chart. + **/ + + _chart.useRightYAxis = function (_) { + if (!arguments.length) { + return _useRightYAxis; + } + _useRightYAxis = _; + return _chart; + }; + + /** + #### isOrdinal() + Returns true if the chart is using ordinal xUnits ([dc.units.ordinal](#dcunitsordinal)), or false + otherwise. Most charts behave differently with ordinal data and use the result of this method to + trigger the appropriate logic. + **/ + _chart.isOrdinal = function () { + return _chart.xUnits() === dc.units.ordinal; + }; + + _chart._useOuterPadding = function () { + return true; + }; + + _chart._ordinalXDomain = function () { + var groups = _chart._computeOrderedGroups(_chart.data()); + return groups.map(_chart.keyAccessor()); + }; + + function prepareXAxis(g) { + if (!_chart.isOrdinal()) { + if (_chart.elasticX()) { + _x.domain([_chart.xAxisMin(), _chart.xAxisMax()]); + } + } + else { // _chart.isOrdinal() + if (_chart.elasticX() || _x.domain().length === 0) { + _x.domain(_chart._ordinalXDomain()); + } + } + + // has the domain changed? + var xdom = _x.domain(); + if (!_lastXDomain || xdom.some(function (elem, i) { return elem !== _lastXDomain[i]; })) { + _chart.rescale(); + } + _lastXDomain = xdom; + + // please can't we always use rangeBands for bar charts? + if (_chart.isOrdinal()) { + _x.rangeBands([0, _chart.xAxisLength()], _rangeBandPadding, + _chart._useOuterPadding() ? _outerRangeBandPadding : 0); + } else { + _x.range([0, _chart.xAxisLength()]); + } + + _xAxis = _xAxis.scale(_chart.x()); + + renderVerticalGridLines(g); + } + + _chart.renderXAxis = function (g) { + var axisXG = g.selectAll('g.x'); + + if (axisXG.empty()) { + axisXG = g.append('g') + .attr('class', 'axis x') + .attr('transform', 'translate(' + _chart.margins().left + ',' + _chart._xAxisY() + ')'); + } + + var axisXLab = g.selectAll('text.' + X_AXIS_LABEL_CLASS); + if (axisXLab.empty() && _chart.xAxisLabel()) { + axisXLab = g.append('text') + .attr('transform', 'translate(' + (_chart.margins().left + _chart.xAxisLength() / 2) + ',' + + (_chart.height() - _xAxisLabelPadding) + ')') + .attr('class', X_AXIS_LABEL_CLASS) + .attr('text-anchor', 'middle') + .text(_chart.xAxisLabel()); + } + if (_chart.xAxisLabel() && axisXLab.text() !== _chart.xAxisLabel()) { + axisXLab.text(_chart.xAxisLabel()); + } + + dc.transition(axisXG, _chart.transitionDuration()) + .call(_xAxis); + }; + + function renderVerticalGridLines(g) { + var gridLineG = g.selectAll('g.' + VERTICAL_CLASS); + + if (_renderVerticalGridLine) { + if (gridLineG.empty()) { + gridLineG = g.insert('g', ':first-child') + .attr('class', GRID_LINE_CLASS + ' ' + VERTICAL_CLASS) + .attr('transform', 'translate(' + _chart.margins().left + ',' + _chart.margins().top + ')'); + } + + var ticks = _xAxis.tickValues() ? _xAxis.tickValues() : + (typeof _x.ticks === 'function' ? _x.ticks(_xAxis.ticks()[0]) : _x.domain()); + + var lines = gridLineG.selectAll('line') + .data(ticks); + + // enter + var linesGEnter = lines.enter() + .append('line') + .attr('x1', function (d) { + return _x(d); + }) + .attr('y1', _chart._xAxisY() - _chart.margins().top) + .attr('x2', function (d) { + return _x(d); + }) + .attr('y2', 0) + .attr('opacity', 0); + dc.transition(linesGEnter, _chart.transitionDuration()) + .attr('opacity', 1); + + // update + dc.transition(lines, _chart.transitionDuration()) + .attr('x1', function (d) { + return _x(d); + }) + .attr('y1', _chart._xAxisY() - _chart.margins().top) + .attr('x2', function (d) { + return _x(d); + }) + .attr('y2', 0); + + // exit + lines.exit().remove(); + } + else { + gridLineG.selectAll('line').remove(); + } + } + + _chart._xAxisY = function () { + return (_chart.height() - _chart.margins().bottom); + }; + + _chart.xAxisLength = function () { + return _chart.effectiveWidth(); + }; + + /** + #### .xAxisLabel([labelText, [, padding]]) + Set or get the x axis label. If setting the label, you may optionally include additional padding to + the margin to make room for the label. By default the padded is set to 12 to accomodate the text height. + **/ + _chart.xAxisLabel = function (_, padding) { + if (!arguments.length) { + return _xAxisLabel; + } + _xAxisLabel = _; + _chart.margins().bottom -= _xAxisLabelPadding; + _xAxisLabelPadding = (padding === undefined) ? DEFAULT_AXIS_LABEL_PADDING : padding; + _chart.margins().bottom += _xAxisLabelPadding; + return _chart; + }; + + _chart._prepareYAxis = function (g) { + if (_y === undefined || _chart.elasticY()) { + _y = d3.scale.linear(); + var min = _chart.yAxisMin() || 0, + max = _chart.yAxisMax() || 0; + _y.domain([min, max]).rangeRound([_chart.yAxisHeight(), 0]); + } + + _y.range([_chart.yAxisHeight(), 0]); + _yAxis = _yAxis.scale(_y); + + if (_useRightYAxis) { + _yAxis.orient('right'); + } + + _chart._renderHorizontalGridLinesForAxis(g, _y, _yAxis); + }; + + _chart.renderYAxisLabel = function (axisClass, text, rotation, labelXPosition) { + labelXPosition = labelXPosition || _yAxisLabelPadding; + + var axisYLab = _chart.g().selectAll('text.' + Y_AXIS_LABEL_CLASS + '.' + axisClass + '-label'); + if (axisYLab.empty() && text) { + + var labelYPosition = (_chart.margins().top + _chart.yAxisHeight() / 2); + axisYLab = _chart.g().append('text') + .attr('transform', 'translate(' + labelXPosition + ',' + labelYPosition + '),rotate(' + rotation + ')') + .attr('class', Y_AXIS_LABEL_CLASS + ' ' + axisClass + '-label') + .attr('text-anchor', 'middle') + .text(text); + } + if (text && axisYLab.text() !== text) { + axisYLab.text(text); + } + }; + + _chart.renderYAxisAt = function (axisClass, axis, position) { + var axisYG = _chart.g().selectAll('g.' + axisClass); + if (axisYG.empty()) { + axisYG = _chart.g().append('g') + .attr('class', 'axis ' + axisClass) + .attr('transform', 'translate(' + position + ',' + _chart.margins().top + ')'); + } + + dc.transition(axisYG, _chart.transitionDuration()).call(axis); + }; + + _chart.renderYAxis = function () { + var axisPosition = _useRightYAxis ? (_chart.width() - _chart.margins().right) : _chart._yAxisX(); + _chart.renderYAxisAt('y', _yAxis, axisPosition); + var labelPosition = _useRightYAxis ? (_chart.width() - _yAxisLabelPadding) : _yAxisLabelPadding; + var rotation = _useRightYAxis ? 90 : -90; + _chart.renderYAxisLabel('y', _chart.yAxisLabel(), rotation, labelPosition); + }; + + _chart._renderHorizontalGridLinesForAxis = function (g, scale, axis) { + var gridLineG = g.selectAll('g.' + HORIZONTAL_CLASS); + + if (_renderHorizontalGridLine) { + var ticks = axis.tickValues() ? axis.tickValues() : scale.ticks(axis.ticks()[0]); + + if (gridLineG.empty()) { + gridLineG = g.insert('g', ':first-child') + .attr('class', GRID_LINE_CLASS + ' ' + HORIZONTAL_CLASS) + .attr('transform', 'translate(' + _chart.margins().left + ',' + _chart.margins().top + ')'); + } + + var lines = gridLineG.selectAll('line') + .data(ticks); + + // enter + var linesGEnter = lines.enter() + .append('line') + .attr('x1', 1) + .attr('y1', function (d) { + return scale(d); + }) + .attr('x2', _chart.xAxisLength()) + .attr('y2', function (d) { + return scale(d); + }) + .attr('opacity', 0); + dc.transition(linesGEnter, _chart.transitionDuration()) + .attr('opacity', 1); + + // update + dc.transition(lines, _chart.transitionDuration()) + .attr('x1', 1) + .attr('y1', function (d) { + return scale(d); + }) + .attr('x2', _chart.xAxisLength()) + .attr('y2', function (d) { + return scale(d); + }); + + // exit + lines.exit().remove(); + } + else { + gridLineG.selectAll('line').remove(); + } + }; + + _chart._yAxisX = function () { + return _chart.useRightYAxis() ? _chart.width() - _chart.margins().right : _chart.margins().left; + }; + + /** + #### .yAxisLabel([labelText, [, padding]]) + Set or get the y axis label. If setting the label, you may optionally include additional padding + to the margin to make room for the label. By default the padded is set to 12 to accomodate the + text height. + **/ + _chart.yAxisLabel = function (_, padding) { + if (!arguments.length) { + return _yAxisLabel; + } + _yAxisLabel = _; + _chart.margins().left -= _yAxisLabelPadding; + _yAxisLabelPadding = (padding === undefined) ? DEFAULT_AXIS_LABEL_PADDING : padding; + _chart.margins().left += _yAxisLabelPadding; + return _chart; + }; + + /** + #### .y([yScale]) + Get or set the y scale. The y scale is typically automatically determined by the chart implementation. + + **/ + _chart.y = function (_) { + if (!arguments.length) { + return _y; + } + _y = _; + return _chart; + }; + + /** + #### .yAxis([yAxis]) + Set or get the y axis used by the coordinate grid chart instance. This function is most useful + when y axis customization is required. The y axis in dc.js is simply an instance of a [d3 axis + object](https://github.com/mbostock/d3/wiki/SVG-Axes#wiki-_axis); therefore it supports any + valid d3 axis manipulation. **Caution**: The y axis is usually generated internally by dc; + resetting it may cause unexpected results. + ```js + // customize y axis tick format + chart.yAxis().tickFormat(function(v) {return v + '%';}); + // customize y axis tick values + chart.yAxis().tickValues([0, 100, 200, 300]); + ``` + + **/ + _chart.yAxis = function (y) { + if (!arguments.length) { + return _yAxis; + } + _yAxis = y; + return _chart; + }; + + /** + #### .elasticY([boolean]) + Turn on/off elastic y axis behavior. If y axis elasticity is turned on, then the grid chart will + attempt to recalculate the y axis range whenever a redraw event is triggered. + + **/ + _chart.elasticY = function (_) { + if (!arguments.length) { + return _yElasticity; + } + _yElasticity = _; + return _chart; + }; + + /** + #### .renderHorizontalGridLines([boolean]) + Turn on/off horizontal grid lines. + + **/ + _chart.renderHorizontalGridLines = function (_) { + if (!arguments.length) { + return _renderHorizontalGridLine; + } + _renderHorizontalGridLine = _; + return _chart; + }; + + /** + #### .renderVerticalGridLines([boolean]) + Turn on/off vertical grid lines. + + **/ + _chart.renderVerticalGridLines = function (_) { + if (!arguments.length) { + return _renderVerticalGridLine; + } + _renderVerticalGridLine = _; + return _chart; + }; + + /** + #### .xAxisMin() + Calculates the minimum x value to display in the chart. Includes xAxisPadding if set. + **/ + _chart.xAxisMin = function () { + var min = d3.min(_chart.data(), function (e) { + return _chart.keyAccessor()(e); + }); + return dc.utils.subtract(min, _xAxisPadding); + }; + + /** + #### .xAxisMax() + Calculates the maximum x value to display in the chart. Includes xAxisPadding if set. + **/ + _chart.xAxisMax = function () { + var max = d3.max(_chart.data(), function (e) { + return _chart.keyAccessor()(e); + }); + return dc.utils.add(max, _xAxisPadding); + }; + + /** + #### .yAxisMin() + Calculates the minimum y value to display in the chart. Includes yAxisPadding if set. + **/ + _chart.yAxisMin = function () { + var min = d3.min(_chart.data(), function (e) { + return _chart.valueAccessor()(e); + }); + return dc.utils.subtract(min, _yAxisPadding); + }; + + /** + #### .yAxisMax() + Calculates the maximum y value to display in the chart. Includes yAxisPadding if set. + **/ + _chart.yAxisMax = function () { + var max = d3.max(_chart.data(), function (e) { + return _chart.valueAccessor()(e); + }); + return dc.utils.add(max, _yAxisPadding); + }; + + /** + #### .yAxisPadding([padding]) + Set or get y axis padding for the elastic y axis. The padding will be added to the top of the y + axis if elasticY is turned on; otherwise it is ignored. + + * padding can be an integer or percentage in string (e.g. '10%'). Padding can be applied to + number or date axes. When padding a date axis, an integer represents number of days being padded + and a percentage string will be treated the same as an integer. + + **/ + _chart.yAxisPadding = function (_) { + if (!arguments.length) { + return _yAxisPadding; + } + _yAxisPadding = _; + return _chart; + }; + + _chart.yAxisHeight = function () { + return _chart.effectiveHeight(); + }; + + /** + #### .round([rounding function]) + Set or get the rounding function used to quantize the selection when brushing is enabled. + ```js + // set x unit round to by month, this will make sure range selection brush will + // select whole months + chart.round(d3.time.month.round); + ``` + + **/ + _chart.round = function (_) { + if (!arguments.length) { + return _round; + } + _round = _; + return _chart; + }; + + _chart._rangeBandPadding = function (_) { + if (!arguments.length) { + return _rangeBandPadding; + } + _rangeBandPadding = _; + return _chart; + }; + + _chart._outerRangeBandPadding = function (_) { + if (!arguments.length) { + return _outerRangeBandPadding; + } + _outerRangeBandPadding = _; + return _chart; + }; + + dc.override(_chart, 'filter', function (_) { + if (!arguments.length) { + return _chart._filter(); + } + + _chart._filter(_); + + if (_) { + _chart.brush().extent(_); + } else { + _chart.brush().clear(); + } + + return _chart; + }); + + _chart.brush = function (_) { + if (!arguments.length) { + return _brush; + } + _brush = _; + return _chart; + }; + + function brushHeight() { + return _chart._xAxisY() - _chart.margins().top; + } + + _chart.renderBrush = function (g) { + if (_brushOn) { + _brush.on('brush', _chart._brushing); + _brush.on('brushstart', _chart._disableMouseZoom); + _brush.on('brushend', configureMouseZoom); + + var gBrush = g.append('g') + .attr('class', 'brush') + .attr('transform', 'translate(' + _chart.margins().left + ',' + _chart.margins().top + ')') + .call(_brush.x(_chart.x())); + _chart.setBrushY(gBrush); + _chart.setHandlePaths(gBrush); + + if (_chart.hasFilter()) { + _chart.redrawBrush(g); + } + } + }; + + _chart.setHandlePaths = function (gBrush) { + gBrush.selectAll('.resize').append('path').attr('d', _chart.resizeHandlePath); + }; + + _chart.setBrushY = function (gBrush) { + gBrush.selectAll('rect').attr('height', brushHeight()); + }; + + _chart.extendBrush = function () { + var extent = _brush.extent(); + if (_chart.round()) { + extent[0] = extent.map(_chart.round())[0]; + extent[1] = extent.map(_chart.round())[1]; + + _g.select('.brush') + .call(_brush.extent(extent)); + } + return extent; + }; + + _chart.brushIsEmpty = function (extent) { + return _brush.empty() || !extent || extent[1] <= extent[0]; + }; + + _chart._brushing = function () { + var extent = _chart.extendBrush(); + + _chart.redrawBrush(_g); + + if (_chart.brushIsEmpty(extent)) { + dc.events.trigger(function () { + _chart.filter(null); + _chart.redrawGroup(); + }, dc.constants.EVENT_DELAY); + } else { + var rangedFilter = dc.filters.RangedFilter(extent[0], extent[1]); + + dc.events.trigger(function () { + _chart.replaceFilter(rangedFilter); + _chart.redrawGroup(); + }, dc.constants.EVENT_DELAY); + } + }; + + _chart.redrawBrush = function (g) { + if (_brushOn) { + if (_chart.filter() && _chart.brush().empty()) { + _chart.brush().extent(_chart.filter()); + } + + var gBrush = g.select('g.brush'); + gBrush.call(_chart.brush().x(_chart.x())); + _chart.setBrushY(gBrush); + } + + _chart.fadeDeselectedArea(); + }; + + _chart.fadeDeselectedArea = function () { + // do nothing, sub-chart should override this function + }; + + // borrowed from Crossfilter example + _chart.resizeHandlePath = function (d) { + var e = +(d === 'e'), x = e ? 1 : -1, y = brushHeight() / 3; + /*jshint -W014 */ + return 'M' + (0.5 * x) + ',' + y + + 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6) + + 'V' + (2 * y - 6) + + 'A6,6 0 0 ' + e + ' ' + (0.5 * x) + ',' + (2 * y) + + 'Z' + + 'M' + (2.5 * x) + ',' + (y + 8) + + 'V' + (2 * y - 8) + + 'M' + (4.5 * x) + ',' + (y + 8) + + 'V' + (2 * y - 8); + /*jshint +W014 */ + }; + + function getClipPathId() { + return _chart.anchorName().replace(/[ .#]/g, '-') + '-clip'; + } + + /** + #### .clipPadding([padding]) + Get or set the padding in pixels for the clip path. Once set padding will be applied evenly to + the top, left, right, and bottom when the clip path is generated. If set to zero, the clip area + will be exactly the chart body area minus the margins. Default: 5 + + **/ + _chart.clipPadding = function (p) { + if (!arguments.length) { + return _clipPadding; + } + _clipPadding = p; + return _chart; + }; + + function generateClipPath() { + var defs = dc.utils.appendOrSelect(_parent, 'defs'); + // cannot select <clippath> elements; bug in WebKit, must select by id + // https://groups.google.com/forum/#!topic/d3-js/6EpAzQ2gU9I + var id = getClipPathId(); + var chartBodyClip = dc.utils.appendOrSelect(defs, '#' + id, 'clipPath').attr('id', id); + + var padding = _clipPadding * 2; + + dc.utils.appendOrSelect(chartBodyClip, 'rect') + .attr('width', _chart.xAxisLength() + padding) + .attr('height', _chart.yAxisHeight() + padding) + .attr('transform', 'translate(-' + _clipPadding + ', -' + _clipPadding + ')'); + } + + _chart._preprocessData = function () {}; + + _chart._doRender = function () { + _chart.resetSvg(); + + _chart._preprocessData(); + + _chart._generateG(); + generateClipPath(); + + drawChart(true); + + configureMouseZoom(); + + return _chart; + }; + + _chart._doRedraw = function () { + _chart._preprocessData(); + + drawChart(false); + generateClipPath(); + + return _chart; + }; + + function drawChart (render) { + if (_chart.isOrdinal()) { + _brushOn = false; + } + + prepareXAxis(_chart.g()); + _chart._prepareYAxis(_chart.g()); + + _chart.plotData(); + + if (_chart.elasticX() || _refocused || render) { + _chart.renderXAxis(_chart.g()); + } + + if (_chart.elasticY() || render) { + _chart.renderYAxis(_chart.g()); + } + + if (render) { + _chart.renderBrush(_chart.g()); + } else { + _chart.redrawBrush(_chart.g()); + } + } + + function configureMouseZoom () { + if (_mouseZoomable) { + _chart._enableMouseZoom(); + } + else if (_hasBeenMouseZoomable) { + _chart._disableMouseZoom(); + } + } + + _chart._enableMouseZoom = function () { + _hasBeenMouseZoomable = true; + _zoom.x(_chart.x()) + .scaleExtent(_zoomScale) + .size([_chart.width(), _chart.height()]) + .duration(_chart.transitionDuration()); + _chart.root().call(_zoom); + }; + + _chart._disableMouseZoom = function () { + _chart.root().call(_nullZoom); + }; + + function constrainRange(range, constraint) { + var constrainedRange = []; + constrainedRange[0] = d3.max([range[0], constraint[0]]); + constrainedRange[1] = d3.min([range[1], constraint[1]]); + return constrainedRange; + } + + /** + #### .focus([range]) + Zoom this chart to focus on the given range. The given range should be an array containing only + 2 elements (`[start, end]`) defining a range in the x domain. If the range is not given or set + to null, then the zoom will be reset. _For focus to work elasticX has to be turned off; + otherwise focus will be ignored._ + ```js + chart.renderlet(function(chart){ + // smooth the rendering through event throttling + dc.events.trigger(function(){ + // focus some other chart to the range selected by user on this chart + someOtherChart.focus(chart.filter()); + }); + }) + ``` + + **/ + _chart.focus = function (range) { + if (hasRangeSelected(range)) { + _chart.x().domain(range); + } else { + _chart.x().domain(_xOriginalDomain); + } + + _zoom.x(_chart.x()); + zoomHandler(); + }; + + _chart.refocused = function () { + return _refocused; + }; + + _chart.focusChart = function (c) { + if (!arguments.length) { + return _focusChart; + } + _focusChart = c; + _chart.on('filtered', function (chart) { + if (!chart.filter()) { + dc.events.trigger(function () { + _focusChart.x().domain(_focusChart.xOriginalDomain()); + }); + } else if (!rangesEqual(chart.filter(), _focusChart.filter())) { + dc.events.trigger(function () { + _focusChart.focus(chart.filter()); + }); + } + }); + return _chart; + }; + + function rangesEqual(range1, range2) { + if (!range1 && !range2) { + return true; + } + else if (!range1 || !range2) { + return false; + } + else if (range1.length === 0 && range2.length === 0) { + return true; + } + else if (range1[0].valueOf() === range2[0].valueOf() && + range1[1].valueOf() === range2[1].valueOf()) { + return true; + } + return false; + } + + /** + #### .brushOn([boolean]) + Turn on/off the brush-based range filter. When brushing is on then user can drag the mouse + across a chart with a quantitative scale to perform range filtering based on the extent of the + brush, or click on the bars of an ordinal bar chart or slices of a pie chart to filter and + unfilter them. However turning on the brush filter will disable other interactive elements on + the chart such as highlighting, tool tips, and reference lines. Zooming will still be possible + if enabled, but only via scrolling (panning will be disabled.) Default: true + + **/ + _chart.brushOn = function (_) { + if (!arguments.length) { + return _brushOn; + } + _brushOn = _; + return _chart; + }; + + function hasRangeSelected(range) { + return range instanceof Array && range.length > 1; + } + + return _chart; +}; + +/** +## Stack Mixin +Stack Mixin is an mixin that provides cross-chart support of stackability using d3.layout.stack. + +**/ +dc.stackMixin = function (_chart) { + + function prepareValues (layer, layerIdx) { + var valAccessor = layer.accessor || _chart.valueAccessor(); + layer.name = String(layer.name || layerIdx); + layer.values = layer.group.all().map(function (d, i) { + return { + x: _chart.keyAccessor()(d, i), + y: layer.hidden ? null : valAccessor(d, i), + data: d, + layer: layer.name, + hidden: layer.hidden + }; + }); + + layer.values = layer.values.filter(domainFilter()); + return layer.values; + } + + var _stackLayout = d3.layout.stack() + .values(prepareValues); + + var _stack = []; + var _titles = {}; + + var _hidableStacks = false; + + function domainFilter() { + if (!_chart.x()) { + return d3.functor(true); + } + var xDomain = _chart.x().domain(); + if (_chart.isOrdinal()) { + // TODO #416 + //var domainSet = d3.set(xDomain); + return function () { + return true; //domainSet.has(p.x); + }; + } + if (_chart.elasticX()) { + return function () { return true; }; + } + return function (p) { + //return true; + return p.x >= xDomain[0] && p.x <= xDomain[xDomain.length - 1]; + }; + } + + /** + #### .stack(group[, name, accessor]) + Stack a new crossfilter group onto this chart with an optional custom value accessor. All stacks + in the same chart will share the same key accessor and therefore the same set of keys. + + For example, in a stacked bar chart, the bars of each stack will be positioned using the same set + of keys on the x axis, while stacked vertically. If name is specified then it will be used to + generate the legend label. + ```js + // stack group using default accessor + chart.stack(valueSumGroup) + // stack group using custom accessor + .stack(avgByDayGroup, function(d){return d.value.avgByDay;}); + ``` + + **/ + _chart.stack = function (group, name, accessor) { + if (!arguments.length) { + return _stack; + } + + if (arguments.length <= 2) { + accessor = name; + } + + var layer = {group:group}; + if (typeof name === 'string') { + layer.name = name; + } + if (typeof accessor === 'function') { + layer.accessor = accessor; + } + _stack.push(layer); + + return _chart; + }; + + dc.override(_chart, 'group', function (g, n, f) { + if (!arguments.length) { + return _chart._group(); + } + _stack = []; + _titles = {}; + _chart.stack(g, n); + if (f) { + _chart.valueAccessor(f); + } + return _chart._group(g, n); + }); + + /** + #### .hidableStacks([boolean]) + Allow named stacks to be hidden or shown by clicking on legend items. + This does not affect the behavior of hideStack or showStack. + + **/ + _chart.hidableStacks = function (_) { + if (!arguments.length) { + return _hidableStacks; + } + _hidableStacks = _; + return _chart; + }; + + function findLayerByName(n) { + var i = _stack.map(dc.pluck('name')).indexOf(n); + return _stack[i]; + } + + /** + #### .hideStack(name) + Hide all stacks on the chart with the given name. + The chart must be re-rendered for this change to appear. + + **/ + _chart.hideStack = function (stackName) { + var layer = findLayerByName(stackName); + if (layer) { + layer.hidden = true; + } + return _chart; + }; + + /** + #### .showStack(name) + Show all stacks on the chart with the given name. + The chart must be re-rendered for this change to appear. + + **/ + _chart.showStack = function (stackName) { + var layer = findLayerByName(stackName); + if (layer) { + layer.hidden = false; + } + return _chart; + }; + + _chart.getValueAccessorByIndex = function (index) { + return _stack[index].accessor || _chart.valueAccessor(); + }; + + _chart.yAxisMin = function () { + var min = d3.min(flattenStack(), function (p) { + return (p.y + p.y0 < p.y0) ? (p.y + p.y0) : p.y0; + }); + + return dc.utils.subtract(min, _chart.yAxisPadding()); + + }; + + _chart.yAxisMax = function () { + var max = d3.max(flattenStack(), function (p) { + return p.y + p.y0; + }); + + return dc.utils.add(max, _chart.yAxisPadding()); + }; + + function flattenStack() { + return _chart.data().reduce(function (all, layer) { + return all.concat(layer.values); + }, []); + } + + _chart.xAxisMin = function () { + var min = d3.min(flattenStack(), dc.pluck('x')); + return dc.utils.subtract(min, _chart.xAxisPadding()); + }; + + _chart.xAxisMax = function () { + var max = d3.max(flattenStack(), dc.pluck('x')); + return dc.utils.add(max, _chart.xAxisPadding()); + }; + + /** + #### .title([stackName], [titleFunction]) + Set or get the title function. Chart class will use this function to render svg title (usually interpreted by + browser as tooltips) for each child element in the chart, i.e. a slice in a pie chart or a bubble in a bubble chart. + Almost every chart supports title function however in grid coordinate chart you need to turn off brush in order to + use title otherwise the brush layer will block tooltip trigger. + + If the first argument is a stack name, the title function will get or set the title for that stack. If stackName + is not provided, the first stack is implied. + ```js + // set a title function on 'first stack' + chart.title('first stack', function(d) { return d.key + ': ' + d.value; }); + // get a title function from 'second stack' + var secondTitleFunction = chart.title('second stack'); + ); + ``` + **/ + dc.override(_chart, 'title', function (stackName, titleAccessor) { + if (!stackName) { + return _chart._title(); + } + + if (typeof stackName === 'function') { + return _chart._title(stackName); + } + if (stackName === _chart._groupName && typeof titleAccessor === 'function') { + return _chart._title(titleAccessor); + } + + if (typeof titleAccessor !== 'function') { + return _titles[stackName] || _chart._title(); + } + + _titles[stackName] = titleAccessor; + + return _chart; + }); + + /** + #### .stackLayout([layout]) + Gets or sets the stack layout algorithm, which computes a baseline for each stack and + propagates it to the next. The default is + [d3.layout.stack](https://github.com/mbostock/d3/wiki/Stack-Layout#stack). + **/ + _chart.stackLayout = function (stack) { + if (!arguments.length) { + return _stackLayout; + } + _stackLayout = stack; + return _chart; + }; + + function visability(l) { + return !l.hidden; + } + + _chart.data(function () { + var layers = _stack.filter(visability); + return layers.length ? _chart.stackLayout()(layers) : []; + }); + + _chart._ordinalXDomain = function () { + return flattenStack().map(dc.pluck('x')); + }; + + _chart.colorAccessor(function (d) { + var layer = this.layer || this.name || d.name || d.layer; + return layer; + }); + + _chart.legendables = function () { + return _stack.map(function (layer, i) { + return { + chart:_chart, + name:layer.name, + hidden: layer.hidden || false, + color:_chart.getColor.call(layer, layer.values, i) + }; + }); + }; + + _chart.isLegendableHidden = function (d) { + var layer = findLayerByName(d.name); + return layer ? layer.hidden : false; + }; + + _chart.legendToggle = function (d) { + if (_hidableStacks) { + if (_chart.isLegendableHidden(d)) { + _chart.showStack(d.name); + } else { + _chart.hideStack(d.name); + } + //_chart.redraw(); + _chart.renderGroup(); + } + }; + + return _chart; +}; + +/** +## Cap Mixin +Cap is a mixin that groups small data elements below a _cap_ into an *others* grouping for both the +Row and Pie Charts. + +The top ordered elements in the group up to the cap amount will be kept in the chart, and the rest +will be replaced with an *others* element, with value equal to the sum of the replaced values. The +keys of the elements below the cap limit are recorded in order to filter by those keys when the +*others* element is clicked. + +**/ +dc.capMixin = function (_chart) { + + var _cap = Infinity; + + var _othersLabel = 'Others'; + + var _othersGrouper = function (topRows) { + var topRowsSum = d3.sum(topRows, _chart.valueAccessor()), + allRows = _chart.group().all(), + allRowsSum = d3.sum(allRows, _chart.valueAccessor()), + topKeys = topRows.map(_chart.keyAccessor()), + allKeys = allRows.map(_chart.keyAccessor()), + topSet = d3.set(topKeys), + others = allKeys.filter(function (d) {return !topSet.has(d);}); + if (allRowsSum > topRowsSum) { + return topRows.concat([{'others': others, 'key': _othersLabel, 'value': allRowsSum - topRowsSum}]); + } + return topRows; + }; + + _chart.cappedKeyAccessor = function (d, i) { + if (d.others) { + return d.key; + } + return _chart.keyAccessor()(d, i); + }; + + _chart.cappedValueAccessor = function (d, i) { + if (d.others) { + return d.value; + } + return _chart.valueAccessor()(d, i); + }; + + _chart.data(function (group) { + if (_cap === Infinity) { + return _chart._computeOrderedGroups(group.all()); + } else { + var topRows = group.top(_cap); // ordered by crossfilter group order (default value) + topRows = _chart._computeOrderedGroups(topRows); // re-order using ordering (default key) + if (_othersGrouper) { + return _othersGrouper(topRows); + } + return topRows; + } + }); + + /** + #### .cap([count]) + Get or set the count of elements to that will be included in the cap. + **/ + _chart.cap = function (_) { + if (!arguments.length) { + return _cap; + } + _cap = _; + return _chart; + }; + + /** + #### .othersLabel([label]) + Get or set the label for *Others* slice when slices cap is specified. Default label is **Others**. + **/ + _chart.othersLabel = function (_) { + if (!arguments.length) { + return _othersLabel; + } + _othersLabel = _; + return _chart; + }; + + /** + #### .othersGrouper([grouperFunction]) + Get or set the grouper function that will perform the insertion of data for the *Others* slice + if the slices cap is specified. If set to a falsy value, no others will be added. By default the + grouper function computes the sum of all values below the cap. + ```js + chart.othersGrouper(function (data) { + // compute the value for others, presumably the sum of all values below the cap + var othersSum = yourComputeOthersValueLogic(data) + + // the keys are needed to properly filter when the others element is clicked + var othersKeys = yourComputeOthersKeysArrayLogic(data); + + // add the others row to the dataset + data.push({'key': 'Others', 'value': othersSum, 'others': othersKeys }); + + return data; + }); + ``` + **/ + _chart.othersGrouper = function (_) { + if (!arguments.length) { + return _othersGrouper; + } + _othersGrouper = _; + return _chart; + }; + + dc.override(_chart, 'onClick', function (d) { + if (d.others) { + _chart.filter([d.others]); + } + _chart._onClick(d); + }); + + return _chart; +}; + +/** +## Bubble Mixin +Includes: [Color Mixin](#color-mixin) + +This Mixin provides reusable functionalities for any chart that needs to visualize data using bubbles. + +**/ +dc.bubbleMixin = function (_chart) { + var _maxBubbleRelativeSize = 0.3; + var _minRadiusWithLabel = 10; + + _chart.BUBBLE_NODE_CLASS = 'node'; + _chart.BUBBLE_CLASS = 'bubble'; + _chart.MIN_RADIUS = 10; + + _chart = dc.colorMixin(_chart); + + _chart.renderLabel(true); + + _chart.data(function (group) { + return group.top(Infinity); + }); + + var _r = d3.scale.linear().domain([0, 100]); + + var _rValueAccessor = function (d) { + return d.r; + }; + + /** + #### .r([bubbleRadiusScale]) + Get or set the bubble radius scale. By default the bubble chart uses + `d3.scale.linear().domain([0, 100])` as its r scale . + + **/ + _chart.r = function (_) { + if (!arguments.length) { + return _r; + } + _r = _; + return _chart; + }; + + /** + #### .radiusValueAccessor([radiusValueAccessor]) + Get or set the radius value accessor function. If set, the radius value accessor function will + be used to retrieve a data value for each bubble. The data retrieved then will be mapped using + the r scale to the actual bubble radius. This allows you to encode a data dimension using bubble + size. + + **/ + _chart.radiusValueAccessor = function (_) { + if (!arguments.length) { + return _rValueAccessor; + } + _rValueAccessor = _; + return _chart; + }; + + _chart.rMin = function () { + var min = d3.min(_chart.data(), function (e) { + return _chart.radiusValueAccessor()(e); + }); + return min; + }; + + _chart.rMax = function () { + var max = d3.max(_chart.data(), function (e) { + return _chart.radiusValueAccessor()(e); + }); + return max; + }; + + _chart.bubbleR = function (d) { + var value = _chart.radiusValueAccessor()(d); + var r = _chart.r()(value); + if (isNaN(r) || value <= 0) { + r = 0; + } + return r; + }; + + var labelFunction = function (d) { + return _chart.label()(d); + }; + + var labelOpacity = function (d) { + return (_chart.bubbleR(d) > _minRadiusWithLabel) ? 1 : 0; + }; + + _chart._doRenderLabel = function (bubbleGEnter) { + if (_chart.renderLabel()) { + var label = bubbleGEnter.select('text'); + + if (label.empty()) { + label = bubbleGEnter.append('text') + .attr('text-anchor', 'middle') + .attr('dy', '.3em') + .on('click', _chart.onClick); + } + + label + .attr('opacity', 0) + .text(labelFunction); + dc.transition(label, _chart.transitionDuration()) + .attr('opacity', labelOpacity); + } + }; + + _chart.doUpdateLabels = function (bubbleGEnter) { + if (_chart.renderLabel()) { + var labels = bubbleGEnter.selectAll('text') + .text(labelFunction); + dc.transition(labels, _chart.transitionDuration()) + .attr('opacity', labelOpacity); + } + }; + + var titleFunction = function (d) { + return _chart.title()(d); + }; + + _chart._doRenderTitles = function (g) { + if (_chart.renderTitle()) { + var title = g.select('title'); + + if (title.empty()) { + g.append('title').text(titleFunction); + } + } + }; + + _chart.doUpdateTitles = function (g) { + if (_chart.renderTitle()) { + g.selectAll('title').text(titleFunction); + } + }; + + /** + #### .minRadiusWithLabel([radius]) + Get or set the minimum radius for label rendering. If a bubble's radius is less than this value + then no label will be rendered. Default: 10 + + **/ + _chart.minRadiusWithLabel = function (_) { + if (!arguments.length) { + return _minRadiusWithLabel; + } + _minRadiusWithLabel = _; + return _chart; + }; + + /** + #### .maxBubbleRelativeSize([relativeSize]) + Get or set the maximum relative size of a bubble to the length of x axis. This value is useful + when the difference in radius between bubbles is too great. Default: 0.3 + + **/ + _chart.maxBubbleRelativeSize = function (_) { + if (!arguments.length) { + return _maxBubbleRelativeSize; + } + _maxBubbleRelativeSize = _; + return _chart; + }; + + _chart.fadeDeselectedArea = function () { + if (_chart.hasFilter()) { + _chart.selectAll('g.' + _chart.BUBBLE_NODE_CLASS).each(function (d) { + if (_chart.isSelectedNode(d)) { + _chart.highlightSelected(this); + } else { + _chart.fadeDeselected(this); + } + }); + } else { + _chart.selectAll('g.' + _chart.BUBBLE_NODE_CLASS).each(function () { + _chart.resetHighlight(this); + }); + } + }; + + _chart.isSelectedNode = function (d) { + return _chart.hasFilter(d.key); + }; + + _chart.onClick = function (d) { + var filter = d.key; + dc.events.trigger(function () { + _chart.filter(filter); + _chart.redrawGroup(); + }); + }; + + return _chart; +}; + +/** +## Pie Chart +Includes: [Cap Mixin](#cap-mixin), [Color Mixin](#color-mixin), [Base Mixin](#base-mixin) + +The pie chart implementation is usually used to visualize a small categorical distribution. The pie +chart uses keyAccessor to determine the slices, and valueAccessor to calculate the size of each +slice relative to the sum of all values. Slices are ordered by `.ordering` which defaults to sorting +by key. + +Examples: + +* [Nasdaq 100 Index](http://dc-js.github.com/dc.js/) +#### dc.pieChart(parent[, chartGroup]) +Create a pie chart instance and attaches it to the given parent element. + +Parameters: + +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created pie chart instance + +```js +// create a pie chart under #chart-container1 element using the default global chart group +var chart1 = dc.pieChart('#chart-container1'); +// create a pie chart under #chart-container2 element using chart group A +var chart2 = dc.pieChart('#chart-container2', 'chartGroupA'); +``` + +**/ +dc.pieChart = function (parent, chartGroup) { + var DEFAULT_MIN_ANGLE_FOR_LABEL = 0.5; + + var _sliceCssClass = 'pie-slice'; + var _emptyCssClass = 'empty-chart'; + var _emptyTitle = 'empty'; + + var _radius, + _innerRadius = 0; + + var _g; + var _cx; + var _cy; + var _minAngleForLabel = DEFAULT_MIN_ANGLE_FOR_LABEL; + var _externalLabelRadius; + var _chart = dc.capMixin(dc.colorMixin(dc.baseMixin({}))); + + _chart.colorAccessor(_chart.cappedKeyAccessor); + + _chart.title(function (d) { + return _chart.cappedKeyAccessor(d) + ': ' + _chart.cappedValueAccessor(d); + }); + + /** + #### .slicesCap([cap]) + Get or set the maximum number of slices the pie chart will generate. The top slices are determined by + value from high to low. Other slices exeeding the cap will be rolled up into one single *Others* slice. + The resulting data will still be sorted by .ordering (default by key). + + **/ + _chart.slicesCap = _chart.cap; + + _chart.label(_chart.cappedKeyAccessor); + _chart.renderLabel(true); + + _chart.transitionDuration(350); + + _chart._doRender = function () { + _chart.resetSvg(); + + _g = _chart.svg() + .append('g') + .attr('transform', 'translate(' + _chart.cx() + ',' + _chart.cy() + ')'); + + drawChart(); + + return _chart; + }; + + function drawChart() { + // set radius on basis of chart dimension if missing + _radius = _radius ? _radius : d3.min([_chart.width(), _chart.height()]) / 2; + + var arc = buildArcs(); + + var pie = pieLayout(); + var pieData; + // if we have data... + if (d3.sum(_chart.data(), _chart.valueAccessor())) { + pieData = pie(_chart.data()); + _g.classed(_emptyCssClass, false); + } else { + // otherwise we'd be getting NaNs, so override + // note: abuse others for its ignoring the value accessor + pieData = pie([{key:_emptyTitle, value:1, others: [_emptyTitle]}]); + _g.classed(_emptyCssClass, true); + } + + if (_g) { + var slices = _g.selectAll('g.' + _sliceCssClass) + .data(pieData); + + createElements(slices, arc, pieData); + + updateElements(pieData, arc); + + removeElements(slices); + + highlightFilter(); + } + } + + function createElements(slices, arc, pieData) { + var slicesEnter = createSliceNodes(slices); + + createSlicePath(slicesEnter, arc); + + createTitles(slicesEnter); + + createLabels(pieData, arc); + } + + function createSliceNodes(slices) { + var slicesEnter = slices + .enter() + .append('g') + .attr('class', function (d, i) { + return _sliceCssClass + ' _' + i; + }); + return slicesEnter; + } + + function createSlicePath(slicesEnter, arc) { + var slicePath = slicesEnter.append('path') + .attr('fill', fill) + .on('click', onClick) + .attr('d', function (d, i) { + return safeArc(d, i, arc); + }); + + dc.transition(slicePath, _chart.transitionDuration(), function (s) { + s.attrTween('d', tweenPie); + }); + } + + function createTitles(slicesEnter) { + if (_chart.renderTitle()) { + slicesEnter.append('title').text(function (d) { + return _chart.title()(d); + }); + } + } + + function positionLabels(labelsEnter, arc) { + dc.transition(labelsEnter, _chart.transitionDuration()) + .attr('transform', function (d) { + return labelPosition(d, arc); + }) + .attr('text-anchor', 'middle') + .text(function (d) { + var data = d.data; + if ((sliceHasNoData(data) || sliceTooSmall(d)) && !isSelectedSlice(d)) { + return ''; + } + return _chart.label()(d.data); + }); + } + + function createLabels(pieData, arc) { + if (_chart.renderLabel()) { + var labels = _g.selectAll('text.' + _sliceCssClass) + .data(pieData); + + labels.exit().remove(); + + var labelsEnter = labels + .enter() + .append('text') + .attr('class', function (d, i) { + var classes = _sliceCssClass + ' _' + i; + if (_externalLabelRadius) { + classes += ' external'; + } + return classes; + }) + .on('click', onClick); + positionLabels(labelsEnter, arc); + } + } + + function updateElements(pieData, arc) { + updateSlicePaths(pieData, arc); + updateLabels(pieData, arc); + updateTitles(pieData); + } + + function updateSlicePaths(pieData, arc) { + var slicePaths = _g.selectAll('g.' + _sliceCssClass) + .data(pieData) + .select('path') + .attr('d', function (d, i) { + return safeArc(d, i, arc); + }); + dc.transition(slicePaths, _chart.transitionDuration(), + function (s) { + s.attrTween('d', tweenPie); + }).attr('fill', fill); + } + + function updateLabels(pieData, arc) { + if (_chart.renderLabel()) { + var labels = _g.selectAll('text.' + _sliceCssClass) + .data(pieData); + positionLabels(labels, arc); + } + } + + function updateTitles(pieData) { + if (_chart.renderTitle()) { + _g.selectAll('g.' + _sliceCssClass) + .data(pieData) + .select('title') + .text(function (d) { + return _chart.title()(d.data); + }); + } + } + + function removeElements(slices) { + slices.exit().remove(); + } + + function highlightFilter() { + if (_chart.hasFilter()) { + _chart.selectAll('g.' + _sliceCssClass).each(function (d) { + if (isSelectedSlice(d)) { + _chart.highlightSelected(this); + } else { + _chart.fadeDeselected(this); + } + }); + } else { + _chart.selectAll('g.' + _sliceCssClass).each(function () { + _chart.resetHighlight(this); + }); + } + } + + /** + #### .innerRadius([innerRadius]) + Get or set the inner radius of the pie chart. If the inner radius is greater than 0px then the + pie chart will be rendered as a doughnut chart. Default inner radius is 0px. + + **/ + _chart.innerRadius = function (r) { + if (!arguments.length) { + return _innerRadius; + } + _innerRadius = r; + return _chart; + }; + + /** + #### .radius([radius]) + Get or set the outer radius. If the radius is not set, it will be half of the minimum of the + chart width and height. + + **/ + _chart.radius = function (r) { + if (!arguments.length) { + return _radius; + } + _radius = r; + return _chart; + }; + + /** + #### .cx([cx]) + Get or set center x coordinate position. Default is center of svg. + + **/ + _chart.cx = function (cx) { + if (!arguments.length) { + return (_cx || _chart.width() / 2); + } + _cx = cx; + return _chart; + }; + + /** + #### .cy([cy]) + Get or set center y coordinate position. Default is center of svg. + + **/ + _chart.cy = function (cy) { + if (!arguments.length) { + return (_cy || _chart.height() / 2); + } + _cy = cy; + return _chart; + }; + + function buildArcs() { + return d3.svg.arc().outerRadius(_radius).innerRadius(_innerRadius); + } + + function isSelectedSlice(d) { + return _chart.hasFilter(_chart.cappedKeyAccessor(d.data)); + } + + _chart._doRedraw = function () { + drawChart(); + return _chart; + }; + + /** + #### .minAngleForLabel([minAngle]) + Get or set the minimal slice angle for label rendering. Any slice with a smaller angle will not + display a slice label. Default min angle is 0.5. + **/ + _chart.minAngleForLabel = function (_) { + if (!arguments.length) { + return _minAngleForLabel; + } + _minAngleForLabel = _; + return _chart; + }; + + function pieLayout() { + return d3.layout.pie().sort(null).value(_chart.cappedValueAccessor); + } + + function sliceTooSmall(d) { + var angle = (d.endAngle - d.startAngle); + return isNaN(angle) || angle < _minAngleForLabel; + } + + function sliceHasNoData(d) { + return _chart.cappedValueAccessor(d) === 0; + } + + function tweenPie(b) { + b.innerRadius = _innerRadius; + var current = this._current; + if (isOffCanvas(current)) { + current = {startAngle: 0, endAngle: 0}; + } + var i = d3.interpolate(current, b); + this._current = i(0); + return function (t) { + return safeArc(i(t), 0, buildArcs()); + }; + } + + function isOffCanvas(current) { + return !current || isNaN(current.startAngle) || isNaN(current.endAngle); + } + + function fill(d, i) { + return _chart.getColor(d.data, i); + } + + function onClick(d, i) { + if (_g.attr('class') !== _emptyCssClass) { + _chart.onClick(d.data, i); + } + } + + function safeArc(d, i, arc) { + var path = arc(d, i); + if (path.indexOf('NaN') >= 0) { + path = 'M0,0'; + } + return path; + } + + /** + #### .emptyTitle([title]) + Title to use for the only slice when there is no data + */ + _chart.emptyTitle = function (title) { + if (arguments.length === 0) { + return _emptyTitle; + } + _emptyTitle = title; + return _chart; + }; + + /** + #### .externalLabels([radius]) + Position slice labels offset from the outer edge of the chart + + The given argument sets the radial offset. + */ + _chart.externalLabels = function (radius) { + if (arguments.length === 0) { + return _externalLabelRadius; + } else if (radius) { + _externalLabelRadius = radius; + } else { + _externalLabelRadius = undefined; + } + + return _chart; + }; + + function labelPosition(d, arc) { + var centroid; + if (_externalLabelRadius) { + centroid = d3.svg.arc() + .outerRadius(_radius + _externalLabelRadius) + .innerRadius(_radius + _externalLabelRadius) + .centroid(d); + } else { + centroid = arc.centroid(d); + } + if (isNaN(centroid[0]) || isNaN(centroid[1])) { + return 'translate(0,0)'; + } else { + return 'translate(' + centroid + ')'; + } + } + + _chart.legendables = function () { + return _chart.data().map(function (d, i) { + var legendable = {name: d.key, data: d.value, others: d.others, chart:_chart}; + legendable.color = _chart.getColor(d, i); + return legendable; + }); + }; + + _chart.legendHighlight = function (d) { + highlightSliceFromLegendable(d, true); + }; + + _chart.legendReset = function (d) { + highlightSliceFromLegendable(d, false); + }; + + _chart.legendToggle = function (d) { + _chart.onClick({key: d.name, others: d.others}); + }; + + function highlightSliceFromLegendable(legendable, highlighted) { + _chart.selectAll('g.pie-slice').each(function (d) { + if (legendable.name === d.data.key) { + d3.select(this).classed('highlight', highlighted); + } + }); + } + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Bar Chart +Includes: [Stack Mixin](#stack Mixin), [Coordinate Grid Mixin](#coordinate-grid-mixin) + +Concrete bar chart/histogram implementation. + +Examples: + +* [Nasdaq 100 Index](http://dc-js.github.com/dc.js/) +* [Canadian City Crime Stats](http://dc-js.github.com/dc.js/crime/index.html) +#### dc.barChart(parent[, chartGroup]) +Create a bar chart instance and attach it to the given parent element. + +Parameters: +* parent : string | node | selection | compositeChart - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + If the bar chart is a sub-chart in a [Composite Chart](#composite-chart) then pass in the parent composite + chart instance. +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created bar chart instance + +```js +// create a bar chart under #chart-container1 element using the default global chart group +var chart1 = dc.barChart('#chart-container1'); +// create a bar chart under #chart-container2 element using chart group A +var chart2 = dc.barChart('#chart-container2', 'chartGroupA'); +// create a sub-chart under a composite parent chart +var chart3 = dc.barChart(compositeChart); +``` + +**/ +dc.barChart = function (parent, chartGroup) { + var MIN_BAR_WIDTH = 1; + var DEFAULT_GAP_BETWEEN_BARS = 2; + + var _chart = dc.stackMixin(dc.coordinateGridMixin({})); + + var _gap = DEFAULT_GAP_BETWEEN_BARS; + var _centerBar = false; + var _alwaysUseRounding = false; + + var _barWidth; + + dc.override(_chart, 'rescale', function () { + _chart._rescale(); + _barWidth = undefined; + }); + + dc.override(_chart, 'render', function () { + if (_chart.round() && _centerBar && !_alwaysUseRounding) { + dc.logger.warn('By default, brush rounding is disabled if bars are centered. ' + + 'See dc.js bar chart API documentation for details.'); + } + + _chart._render(); + }); + + _chart.plotData = function () { + var layers = _chart.chartBodyG().selectAll('g.stack') + .data(_chart.data()); + + calculateBarWidth(); + + layers + .enter() + .append('g') + .attr('class', function (d, i) { + return 'stack ' + '_' + i; + }); + + layers.each(function (d, i) { + var layer = d3.select(this); + + renderBars(layer, i, d); + }); + }; + + function barHeight(d) { + return dc.utils.safeNumber(Math.abs(_chart.y()(d.y + d.y0) - _chart.y()(d.y0))); + } + + function renderBars(layer, layerIndex, d) { + var bars = layer.selectAll('rect.bar') + .data(d.values, dc.pluck('x')); + + var enter = bars.enter() + .append('rect') + .attr('class', 'bar') + .attr('fill', dc.pluck('data', _chart.getColor)) + .attr('y', _chart.yAxisHeight()) + .attr('height', 0); + + if (_chart.renderTitle()) { + enter.append('title').text(dc.pluck('data', _chart.title(d.name))); + } + + if (_chart.isOrdinal()) { + bars.on('click', onClick); + } + + dc.transition(bars, _chart.transitionDuration()) + .attr('x', function (d) { + var x = _chart.x()(d.x); + if (_centerBar) { + x -= _barWidth / 2; + } + if (_chart.isOrdinal() && _gap !== undefined) { + x += _gap / 2; + } + return dc.utils.safeNumber(x); + }) + .attr('y', function (d) { + var y = _chart.y()(d.y + d.y0); + + if (d.y < 0) { + y -= barHeight(d); + } + + return dc.utils.safeNumber(y); + }) + .attr('width', _barWidth) + .attr('height', function (d) { + return barHeight(d); + }) + .attr('fill', dc.pluck('data', _chart.getColor)) + .select('title').text(dc.pluck('data', _chart.title(d.name))); + + dc.transition(bars.exit(), _chart.transitionDuration()) + .attr('height', 0) + .remove(); + } + + function calculateBarWidth() { + if (_barWidth === undefined) { + var numberOfBars = _chart.xUnitCount(); + + // please can't we always use rangeBands for bar charts? + if (_chart.isOrdinal() && _gap === undefined) { + _barWidth = Math.floor(_chart.x().rangeBand()); + } else if (_gap) { + _barWidth = Math.floor((_chart.xAxisLength() - (numberOfBars - 1) * _gap) / numberOfBars); + } else { + _barWidth = Math.floor(_chart.xAxisLength() / (1 + _chart.barPadding()) / numberOfBars); + } + + if (_barWidth === Infinity || isNaN(_barWidth) || _barWidth < MIN_BAR_WIDTH) { + _barWidth = MIN_BAR_WIDTH; + } + } + } + + _chart.fadeDeselectedArea = function () { + var bars = _chart.chartBodyG().selectAll('rect.bar'); + var extent = _chart.brush().extent(); + + if (_chart.isOrdinal()) { + if (_chart.hasFilter()) { + bars.classed(dc.constants.SELECTED_CLASS, function (d) { + return _chart.hasFilter(d.x); + }); + bars.classed(dc.constants.DESELECTED_CLASS, function (d) { + return !_chart.hasFilter(d.x); + }); + } else { + bars.classed(dc.constants.SELECTED_CLASS, false); + bars.classed(dc.constants.DESELECTED_CLASS, false); + } + } else { + if (!_chart.brushIsEmpty(extent)) { + var start = extent[0]; + var end = extent[1]; + + bars.classed(dc.constants.DESELECTED_CLASS, function (d) { + return d.x < start || d.x >= end; + }); + } else { + bars.classed(dc.constants.DESELECTED_CLASS, false); + } + } + }; + + /** + #### .centerBar(boolean) + Whether the bar chart will render each bar centered around the data position on x axis. Default: false + + **/ + _chart.centerBar = function (_) { + if (!arguments.length) { + return _centerBar; + } + _centerBar = _; + return _chart; + }; + + function onClick(d) { + _chart.onClick(d.data); + } + + /** + #### .barPadding([padding]) + Get or set the spacing between bars as a fraction of bar size. Valid values are between 0-1. + Setting this value will also remove any previously set `gap`. See the + [d3 docs](https://github.com/mbostock/d3/wiki/Ordinal-Scales#wiki-ordinal_rangeBands) + for a visual description of how the padding is applied. + **/ + _chart.barPadding = function (_) { + if (!arguments.length) { + return _chart._rangeBandPadding(); + } + _chart._rangeBandPadding(_); + _gap = undefined; + return _chart; + }; + + _chart._useOuterPadding = function () { + return _gap === undefined; + }; + + /** + #### .outerPadding([padding]) + Get or set the outer padding on an ordinal bar chart. This setting has no effect on non-ordinal charts. + Will pad the width by `padding * barWidth` on each side of the chart. + + Default: 0.5 + **/ + _chart.outerPadding = _chart._outerRangeBandPadding; + + /** + #### .gap(gapBetweenBars) + Manually set fixed gap (in px) between bars instead of relying on the default auto-generated + gap. By default the bar chart implementation will calculate and set the gap automatically + based on the number of data points and the length of the x axis. + + **/ + _chart.gap = function (_) { + if (!arguments.length) { + return _gap; + } + _gap = _; + return _chart; + }; + + _chart.extendBrush = function () { + var extent = _chart.brush().extent(); + if (_chart.round() && (!_centerBar || _alwaysUseRounding)) { + extent[0] = extent.map(_chart.round())[0]; + extent[1] = extent.map(_chart.round())[1]; + + _chart.chartBodyG().select('.brush') + .call(_chart.brush().extent(extent)); + } + + return extent; + }; + + /** + #### .alwaysUseRounding([boolean]) + Set or get whether rounding is enabled when bars are centered. Default: false. If false, using + rounding with centered bars will result in a warning and rounding will be ignored. This flag + has no effect if bars are not centered. + + When using standard d3.js rounding methods, the brush often doesn't align correctly with + centered bars since the bars are offset. The rounding function must add an offset to + compensate, such as in the following example. + ```js + chart.round(function(n) {return Math.floor(n)+0.5}); + ``` + **/ + _chart.alwaysUseRounding = function (_) { + if (!arguments.length) { + return _alwaysUseRounding; + } + _alwaysUseRounding = _; + return _chart; + }; + + function colorFilter(color, inv) { + return function () { + var item = d3.select(this); + var match = item.attr('fill') === color; + return inv ? !match : match; + }; + } + + _chart.legendHighlight = function (d) { + if (!_chart.isLegendableHidden(d)) { + _chart.g().selectAll('rect.bar') + .classed('highlight', colorFilter(d.color)) + .classed('fadeout', colorFilter(d.color, true)); + } + }; + + _chart.legendReset = function () { + _chart.g().selectAll('rect.bar') + .classed('highlight', false) + .classed('fadeout', false); + }; + + dc.override(_chart, 'xAxisMax', function () { + var max = this._xAxisMax(); + if ('resolution' in _chart.xUnits()) { + var res = _chart.xUnits().resolution; + max += res; + } + return max; + }); + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Line Chart +Includes [Stack Mixin](#stack-mixin), [Coordinate Grid Mixin](#coordinate-grid-mixin) + +Concrete line/area chart implementation. + +Examples: +* [Nasdaq 100 Index](http://dc-js.github.com/dc.js/) +* [Canadian City Crime Stats](http://dc-js.github.com/dc.js/crime/index.html) +#### dc.lineChart(parent[, chartGroup]) +Create a line chart instance and attach it to the given parent element. + +Parameters: + +* parent : string | node | selection | compositeChart - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + If the line chart is a sub-chart in a [Composite Chart](#composite-chart) then pass in the parent composite + chart instance. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created line chart instance + +```js +// create a line chart under #chart-container1 element using the default global chart group +var chart1 = dc.lineChart('#chart-container1'); +// create a line chart under #chart-container2 element using chart group A +var chart2 = dc.lineChart('#chart-container2', 'chartGroupA'); +// create a sub-chart under a composite parent chart +var chart3 = dc.lineChart(compositeChart); +``` + +**/ +dc.lineChart = function (parent, chartGroup) { + var DEFAULT_DOT_RADIUS = 5; + var TOOLTIP_G_CLASS = 'dc-tooltip'; + var DOT_CIRCLE_CLASS = 'dot'; + var Y_AXIS_REF_LINE_CLASS = 'yRef'; + var X_AXIS_REF_LINE_CLASS = 'xRef'; + var DEFAULT_DOT_OPACITY = 1e-6; + + var _chart = dc.stackMixin(dc.coordinateGridMixin({})); + var _renderArea = false; + var _dotRadius = DEFAULT_DOT_RADIUS; + var _dataPointRadius = null; + var _dataPointFillOpacity = DEFAULT_DOT_OPACITY; + var _dataPointStrokeOpacity = DEFAULT_DOT_OPACITY; + var _interpolate = 'linear'; + var _tension = 0.7; + var _defined; + var _dashStyle; + + _chart.transitionDuration(500); + _chart._rangeBandPadding(1); + + _chart.plotData = function () { + var chartBody = _chart.chartBodyG(); + var layersList = chartBody.selectAll('g.stack-list'); + + if (layersList.empty()) { + layersList = chartBody.append('g').attr('class', 'stack-list'); + } + + var layers = layersList.selectAll('g.stack').data(_chart.data()); + + var layersEnter = layers + .enter() + .append('g') + .attr('class', function (d, i) { + return 'stack ' + '_' + i; + }); + + drawLine(layersEnter, layers); + + drawArea(layersEnter, layers); + + drawDots(chartBody, layers); + }; + + /** + #### .interpolate([value]) + Gets or sets the interpolator to use for lines drawn, by string name, allowing e.g. step + functions, splines, and cubic interpolation. This is passed to + [d3.svg.line.interpolate](https://github.com/mbostock/d3/wiki/SVG-Shapes#line_interpolate) and + [d3.svg.area.interpolate](https://github.com/mbostock/d3/wiki/SVG-Shapes#area_interpolate), + where you can find a complete list of valid arguments + **/ + _chart.interpolate = function (_) { + if (!arguments.length) { + return _interpolate; + } + _interpolate = _; + return _chart; + }; + + /** + #### .tension([value]) Gets or sets the tension to use for lines drawn, in the range 0 to 1. + This parameter further customizes the interpolation behavior. It is passed to + [d3.svg.line.tension](https://github.com/mbostock/d3/wiki/SVG-Shapes#line_tension) and + [d3.svg.area.tension](https://github.com/mbostock/d3/wiki/SVG-Shapes#area_tension). Default: + 0.7 + **/ + _chart.tension = function (_) { + if (!arguments.length) { + return _tension; + } + _tension = _; + return _chart; + }; + + /** + #### .defined([value]) + Gets or sets a function that will determine discontinuities in the line which should be + skipped: the path will be broken into separate subpaths if some points are undefined. + This function is passed to + [d3.svg.line.defined](https://github.com/mbostock/d3/wiki/SVG-Shapes#line_defined) + + Note: crossfilter will sometimes coerce nulls to 0, so you may need to carefully write + custom reduce functions to get this to work, depending on your data. See + https://github.com/dc-js/dc.js/issues/615#issuecomment-49089248 + **/ + _chart.defined = function (_) { + if (!arguments.length) { + return _defined; + } + _defined = _; + return _chart; + }; + + /** + #### .dashStyle([array]) + Set the line's d3 dashstyle. This value becomes the 'stroke-dasharray' of line. Defaults to empty + array (solid line). + ```js + // create a Dash Dot Dot Dot + chart.dashStyle([3,1,1,1]); + ``` + **/ + _chart.dashStyle = function (_) { + if (!arguments.length) { + return _dashStyle; + } + _dashStyle = _; + return _chart; + }; + + /** + #### .renderArea([boolean]) + Get or set render area flag. If the flag is set to true then the chart will render the area + beneath each line and the line chart effectively becomes an area chart. + + **/ + _chart.renderArea = function (_) { + if (!arguments.length) { + return _renderArea; + } + _renderArea = _; + return _chart; + }; + + function colors(d, i) { + return _chart.getColor.call(d, d.values, i); + } + + function drawLine(layersEnter, layers) { + var line = d3.svg.line() + .x(function (d) { + return _chart.x()(d.x); + }) + .y(function (d) { + return _chart.y()(d.y + d.y0); + }) + .interpolate(_interpolate) + .tension(_tension); + if (_defined) { + line.defined(_defined); + } + + var path = layersEnter.append('path') + .attr('class', 'line') + .attr('stroke', colors); + if (_dashStyle) { + path.attr('stroke-dasharray', _dashStyle); + } + + dc.transition(layers.select('path.line'), _chart.transitionDuration()) + //.ease('linear') + .attr('stroke', colors) + .attr('d', function (d) { + return safeD(line(d.values)); + }); + } + + function drawArea(layersEnter, layers) { + if (_renderArea) { + var area = d3.svg.area() + .x(function (d) { + return _chart.x()(d.x); + }) + .y(function (d) { + return _chart.y()(d.y + d.y0); + }) + .y0(function (d) { + return _chart.y()(d.y0); + }) + .interpolate(_interpolate) + .tension(_tension); + if (_defined) { + area.defined(_defined); + } + + layersEnter.append('path') + .attr('class', 'area') + .attr('fill', colors) + .attr('d', function (d) { + return safeD(area(d.values)); + }); + + dc.transition(layers.select('path.area'), _chart.transitionDuration()) + //.ease('linear') + .attr('fill', colors) + .attr('d', function (d) { + return safeD(area(d.values)); + }); + } + } + + function safeD (d) { + return (!d || d.indexOf('NaN') >= 0) ? 'M0,0' : d; + } + + function drawDots(chartBody, layers) { + if (!_chart.brushOn()) { + var tooltipListClass = TOOLTIP_G_CLASS + '-list'; + var tooltips = chartBody.select('g.' + tooltipListClass); + + if (tooltips.empty()) { + tooltips = chartBody.append('g').attr('class', tooltipListClass); + } + + layers.each(function (d, layerIndex) { + var points = d.values; + if (_defined) { + points = points.filter(_defined); + } + + var g = tooltips.select('g.' + TOOLTIP_G_CLASS + '._' + layerIndex); + if (g.empty()) { + g = tooltips.append('g').attr('class', TOOLTIP_G_CLASS + ' _' + layerIndex); + } + + createRefLines(g); + + var dots = g.selectAll('circle.' + DOT_CIRCLE_CLASS) + .data(points, dc.pluck('x')); + + dots.enter() + .append('circle') + .attr('class', DOT_CIRCLE_CLASS) + .attr('r', getDotRadius()) + .style('fill-opacity', _dataPointFillOpacity) + .style('stroke-opacity', _dataPointStrokeOpacity) + .on('mousemove', function () { + var dot = d3.select(this); + showDot(dot); + showRefLines(dot, g); + }) + .on('mouseout', function () { + var dot = d3.select(this); + hideDot(dot); + hideRefLines(g); + }); + + dots + .attr('cx', function (d) { + return dc.utils.safeNumber(_chart.x()(d.x)); + }) + .attr('cy', function (d) { + return dc.utils.safeNumber(_chart.y()(d.y + d.y0)); + }) + .attr('fill', _chart.getColor) + .call(renderTitle, d); + + dots.exit().remove(); + }); + } + } + + function createRefLines(g) { + var yRefLine = g.select('path.' + Y_AXIS_REF_LINE_CLASS).empty() ? + g.append('path').attr('class', Y_AXIS_REF_LINE_CLASS) : g.select('path.' + Y_AXIS_REF_LINE_CLASS); + yRefLine.style('display', 'none').attr('stroke-dasharray', '5,5'); + + var xRefLine = g.select('path.' + X_AXIS_REF_LINE_CLASS).empty() ? + g.append('path').attr('class', X_AXIS_REF_LINE_CLASS) : g.select('path.' + X_AXIS_REF_LINE_CLASS); + xRefLine.style('display', 'none').attr('stroke-dasharray', '5,5'); + } + + function showDot(dot) { + dot.style('fill-opacity', 0.8); + dot.style('stroke-opacity', 0.8); + dot.attr('r', _dotRadius); + return dot; + } + + function showRefLines(dot, g) { + var x = dot.attr('cx'); + var y = dot.attr('cy'); + var yAxisX = (_chart._yAxisX() - _chart.margins().left); + var yAxisRefPathD = 'M' + yAxisX + ' ' + y + 'L' + (x) + ' ' + (y); + var xAxisRefPathD = 'M' + x + ' ' + _chart.yAxisHeight() + 'L' + x + ' ' + y; + g.select('path.' + Y_AXIS_REF_LINE_CLASS).style('display', '').attr('d', yAxisRefPathD); + g.select('path.' + X_AXIS_REF_LINE_CLASS).style('display', '').attr('d', xAxisRefPathD); + } + + function getDotRadius() { + return _dataPointRadius || _dotRadius; + } + + function hideDot(dot) { + dot.style('fill-opacity', _dataPointFillOpacity) + .style('stroke-opacity', _dataPointStrokeOpacity) + .attr('r', getDotRadius()); + } + + function hideRefLines(g) { + g.select('path.' + Y_AXIS_REF_LINE_CLASS).style('display', 'none'); + g.select('path.' + X_AXIS_REF_LINE_CLASS).style('display', 'none'); + } + + function renderTitle(dot, d) { + if (_chart.renderTitle()) { + dot.selectAll('title').remove(); + dot.append('title').text(dc.pluck('data', _chart.title(d.name))); + } + } + + /** + #### .dotRadius([dotRadius]) + Get or set the radius (in px) for dots displayed on the data points. Default dot radius is 5. + **/ + _chart.dotRadius = function (_) { + if (!arguments.length) { + return _dotRadius; + } + _dotRadius = _; + return _chart; + }; + + /** + #### .renderDataPoints([options]) + Always show individual dots for each datapoint. + + Options, if given, is an object that can contain the following: + + * fillOpacity (default 0.8) + * strokeOpacity (default 0.8) + * radius (default 2) + + If `options` is falsy, it disables data point rendering. + + If no `options` are provided, the current `options` values are instead returned. + + Example: + ``` + chart.renderDataPoints({radius: 2, fillOpacity: 0.8, strokeOpacity: 0.8}) + ``` + **/ + _chart.renderDataPoints = function (options) { + if (!arguments.length) { + return { + fillOpacity: _dataPointFillOpacity, + strokeOpacity: _dataPointStrokeOpacity, + radius: _dataPointRadius + }; + } else if (!options) { + _dataPointFillOpacity = DEFAULT_DOT_OPACITY; + _dataPointStrokeOpacity = DEFAULT_DOT_OPACITY; + _dataPointRadius = null; + } else { + _dataPointFillOpacity = options.fillOpacity || 0.8; + _dataPointStrokeOpacity = options.strokeOpacity || 0.8; + _dataPointRadius = options.radius || 2; + } + return _chart; + }; + + function colorFilter(color, dashstyle, inv) { + return function () { + var item = d3.select(this); + var match = (item.attr('stroke') === color && + item.attr('stroke-dasharray') === ((dashstyle instanceof Array) ? + dashstyle.join(',') : null)) || item.attr('fill') === color; + return inv ? !match : match; + }; + } + + _chart.legendHighlight = function (d) { + if (!_chart.isLegendableHidden(d)) { + _chart.g().selectAll('path.line, path.area') + .classed('highlight', colorFilter(d.color, d.dashstyle)) + .classed('fadeout', colorFilter(d.color, d.dashstyle, true)); + } + }; + + _chart.legendReset = function () { + _chart.g().selectAll('path.line, path.area') + .classed('highlight', false) + .classed('fadeout', false); + }; + + dc.override(_chart, 'legendables', function () { + var legendables = _chart._legendables(); + if (!_dashStyle) { + return legendables; + } + return legendables.map(function (l) { + l.dashstyle = _dashStyle; + return l; + }); + }); + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Data Count Widget +Includes: [Base Mixin](#base-mixin) + +The data count widget is a simple widget designed to display the number of records selected by the +current filters out of the total number of records in the data set. Once created the data count widget +will automatically update the text content of the following elements under the parent element. + +* '.total-count' - total number of records +* '.filter-count' - number of records matched by the current filters + +Examples: + +* [Nasdaq 100 Index](http://dc-js.github.com/dc.js/) +#### dc.dataCount(parent[, chartGroup]) +Create a data count widget and attach it to the given parent element. + +Parameters: + +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. +* chartGroup : string (optional) - name of the chart group this widget should be placed in. + The data count widget will only react to filter changes in the chart group. + +Returns: +A newly created data count widget instance +#### .dimension(allData) - **mandatory** +For the data count widget the only valid dimension is the entire data set. +#### .group(groupAll) - **mandatory** +For the data count widget the only valid group is the group returned by `dimension.groupAll()`. + +```js +var ndx = crossfilter(data); +var all = ndx.groupAll(); + +dc.dataCount('.dc-data-count') + .dimension(ndx) + .group(all); +``` + +**/ +dc.dataCount = function (parent, chartGroup) { + var _formatNumber = d3.format(',d'); + var _chart = dc.baseMixin({}); + var _html = {some:'', all:''}; + + /** + #### html([object]) + Gets or sets an optional object specifying HTML templates to use depending how many items are + selected. The text `%total-count` will replaced with the total number of records, and the text + `%filter-count` will be replaced with the number of selected records. + - all: HTML template to use if all items are selected + - some: HTML template to use if not all items are selected + + ```js + counter.html({ + some: '%filter-count out of %total-count records selected', + all: 'All records selected. Click on charts to apply filters' + }) + ``` + **/ + _chart.html = function (s) { + if (!arguments.length) { + return _html; + } + if (s.all) { + _html.all = s.all; + } + if (s.some) { + _html.some = s.some; + } + return _chart; + }; + + /** + #### formatNumber([formatter]) + Gets or sets an optional function to format the filter count and total count. + + ```js + counter.formatNumber(d3.format('.2g')) + ``` + **/ + _chart.formatNumber = function (s) { + if (!arguments.length) { + return _formatNumber; + } + _formatNumber = s; + return _chart; + }; + + _chart._doRender = function () { + var tot = _chart.dimension().size(), + val = _chart.group().value(); + var all = _formatNumber(tot); + var selected = _formatNumber(val); + + if ((tot === val) && (_html.all !== '')) { + _chart.root().html(_html.all.replace('%total-count', all).replace('%filter-count', selected)); + } else if (_html.some !== '') { + _chart.root().html(_html.some.replace('%total-count', all).replace('%filter-count', selected)); + } else { + _chart.selectAll('.total-count').text(all); + _chart.selectAll('.filter-count').text(selected); + } + return _chart; + }; + + _chart._doRedraw = function () { + return _chart._doRender(); + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Data Table Widget +Includes: [Base Mixin](#base-mixin) + +The data table is a simple widget designed to list crossfilter focused data set (rows being +filtered) in a good old tabular fashion. + +Examples: +* [Nasdaq 100 Index](http://dc-js.github.com/dc.js/) +#### dc.dataTable(parent[, chartGroup]) +Create a data table widget instance and attach it to the given parent element. + +Parameters: +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created data table widget instance + +**/ +dc.dataTable = function (parent, chartGroup) { + var LABEL_CSS_CLASS = 'dc-table-label'; + var ROW_CSS_CLASS = 'dc-table-row'; + var COLUMN_CSS_CLASS = 'dc-table-column'; + var GROUP_CSS_CLASS = 'dc-table-group'; + var HEAD_CSS_CLASS = 'dc-table-head'; + + var _chart = dc.baseMixin({}); + + var _size = 25; + var _columns = []; + var _sortBy = function (d) { + return d; + }; + var _order = d3.ascending; + + _chart._doRender = function () { + _chart.selectAll('tbody').remove(); + + renderRows(renderGroups()); + + return _chart; + }; + + _chart._doColumnValueFormat = function (v, d) { + return ((typeof v === 'function') ? + v(d) : // v as function + ((typeof v === 'string') ? + d[v] : // v is field name string + v.format(d) // v is Object, use fn (element 2) + ) + ); + }; + + _chart._doColumnHeaderFormat = function (d) { + // if 'function', convert to string representation + // show a string capitalized + // if an object then display it's label string as-is. + return (typeof d === 'function') ? + _chart._doColumnHeaderFnToString(d) : + ((typeof d === 'string') ? + _chart._doColumnHeaderCapitalize(d) : String(d.label)); + }; + + _chart._doColumnHeaderCapitalize = function (s) { + // capitalize + return s.charAt(0).toUpperCase() + s.slice(1); + }; + + _chart._doColumnHeaderFnToString = function (f) { + // columnString(f) { + var s = String(f); + var i1 = s.indexOf('return '); + if (i1 >= 0) { + var i2 = s.lastIndexOf(';'); + if (i2 >= 0) { + s = s.substring(i1 + 7, i2); + var i3 = s.indexOf('numberFormat'); + if (i3 >= 0) { + s = s.replace('numberFormat', ''); + } + } + } + return s; + }; + + function renderGroups() { + // The 'original' example uses all 'functions'. + // If all 'functions' are used, then don't remove/add a header, and leave + // the html alone. This preserves the functionality of earlier releases. + // A 2nd option is a string representing a field in the data. + // A third option is to supply an Object such as an array of 'information', and + // supply your own _doColumnHeaderFormat and _doColumnValueFormat functions to + // create what you need. + var bAllFunctions = true; + _columns.forEach(function (f) { + bAllFunctions = bAllFunctions & (typeof f === 'function'); + }); + + if (!bAllFunctions) { + _chart.selectAll('th').remove(); + var headcols = _chart.root().selectAll('th') + .data(_columns); + + var headGroup = headcols + .enter() + .append('th'); + + headGroup + .attr('class', HEAD_CSS_CLASS) + .html(function (d) { + return (_chart._doColumnHeaderFormat(d)); + + }); + } + + var groups = _chart.root().selectAll('tbody') + .data(nestEntries(), function (d) { + return _chart.keyAccessor()(d); + }); + + var rowGroup = groups + .enter() + .append('tbody'); + + rowGroup + .append('tr') + .attr('class', GROUP_CSS_CLASS) + .append('td') + .attr('class', LABEL_CSS_CLASS) + .attr('colspan', _columns.length) + .html(function (d) { + return _chart.keyAccessor()(d); + }); + + groups.exit().remove(); + + return rowGroup; + } + + function nestEntries() { + var entries; + if (_order === d3.ascending) { + entries = _chart.dimension().bottom(_size); + } else { + entries = _chart.dimension().top(_size); + } + + return d3.nest() + .key(_chart.group()) + .sortKeys(_order) + .entries(entries.sort(function (a, b) { + return _order(_sortBy(a), _sortBy(b)); + })); + } + + function renderRows(groups) { + var rows = groups.order() + .selectAll('tr.' + ROW_CSS_CLASS) + .data(function (d) { + return d.values; + }); + + var rowEnter = rows.enter() + .append('tr') + .attr('class', ROW_CSS_CLASS); + + _columns.forEach(function (v, i) { + rowEnter.append('td') + .attr('class', COLUMN_CSS_CLASS + ' _' + i) + .html(function (d) { + return _chart._doColumnValueFormat(v, d); + }); + }); + + rows.exit().remove(); + + return rows; + } + + _chart._doRedraw = function () { + return _chart._doRender(); + }; + + /** + #### .size([size]) + Get or set the table size which determines the number of rows displayed by the widget. + + **/ + _chart.size = function (s) { + if (!arguments.length) { + return _size; + } + _size = s; + return _chart; + }; + + /** + #### .columns([columnFunctionArray]) + Get or set column functions. The data table widget now supports several methods of specifying + the columns to display. The original method, first shown below, uses an array of functions to + generate dynamic columns. Column functions are simple javascript functions with only one input + argument `d` which represents a row in the data set. The return value of these functions will be + used directly to generate table content for each cell. However, this method requires the .html + table entry to have a fixed set of column headers. + + ```js + chart.columns([ + function(d) { + return d.date; + }, + function(d) { + return d.open; + }, + function(d) { + return d.close; + }, + function(d) { + return numberFormat(d.close - d.open); + }, + function(d) { + return d.volume; + } + ]); + ``` + + The next example shows you can simply list the data (d) content directly without + specifying it as a function, except where necessary (ie, computed columns). Note + the data element accessor name is capitalized when displayed in the table. You can + also mix in functions as desired or necessary, but you must use the + Object = [Label, Fn] method as shown below. + You may wish to override the following two functions, which are internally used to + translate the column information or function into a displayed header. The first one + is used on the simple "string" column specifier, the second is used to transform the + String(fn) into something displayable. For the Stock example, the function for Change + becomes a header of 'd.close - d.open'. + _chart._doColumnHeaderCapitalize _chart._doColumnHeaderFnToString + You may use your own Object definition, however you must then override + _chart._doColumnHeaderFormat , _chart._doColumnValueFormat + Be aware that fields without numberFormat specification will be displayed just as + they are stored in the data, unformatted. + ```js + chart.columns([ + "date", // d["date"], ie, a field accessor; capitalized automatically + "open", // ... + "close", // ... + ["Change", // Specify an Object = [Label, Fn] + function (d) { + return numberFormat(d.close - d.open); + }], + "volume" // d["volume"], ie, a field accessor; capitalized automatically + ]); + ``` + + A third example, where all fields are specified using the Object = [Label, Fn] method. + + ```js + chart.columns([ + ["Date", // Specify an Object = [Label, Fn] + function (d) { + return d.date; + }], + ["Open", + function (d) { + return numberFormat(d.open); + }], + ["Close", + function (d) { + return numberFormat(d.close); + }], + ["Change", + function (d) { + return numberFormat(d.close - d.open); + }], + ["Volume", + function (d) { + return d.volume; + }] + ]); + ``` + + **/ + _chart.columns = function (_) { + if (!arguments.length) { + return _columns; + } + _columns = _; + return _chart; + }; + + /** + #### .sortBy([sortByFunction]) + Get or set sort-by function. This function works as a value accessor at row level and returns a + particular field to be sorted by. Default value: identity function + + ```js + chart.sortBy(function(d) { + return d.date; + }); + ``` + + **/ + _chart.sortBy = function (_) { + if (!arguments.length) { + return _sortBy; + } + _sortBy = _; + return _chart; + }; + + /** + #### .order([order]) + Get or set sort order. Default value: ``` d3.ascending ``` + + ```js + chart.order(d3.descending); + ``` + + **/ + _chart.order = function (_) { + if (!arguments.length) { + return _order; + } + _order = _; + return _chart; + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** + ## Data Grid Widget + + Includes: [Base Mixin](#base-mixin) + + Data grid is a simple widget designed to list the filtered records, providing + a simple way to define how the items are displayed. + + Examples: + * [List of members of the european parliament](http://europarl.me/dc.js/web/ep/index.html) + + #### dc.dataGrid(parent[, chartGroup]) + Create a data grid widget instance and attach it to the given parent element. + +Parameters: +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created data grid widget instance + + **/ +dc.dataGrid = function (parent, chartGroup) { + var LABEL_CSS_CLASS = 'dc-grid-label'; + var ITEM_CSS_CLASS = 'dc-grid-item'; + var GROUP_CSS_CLASS = 'dc-grid-group'; + var GRID_CSS_CLASS = 'dc-grid-top'; + + var _chart = dc.baseMixin({}); + + var _size = 999; // shouldn't be needed, but you might + var _html = function (d) { return 'you need to provide an html() handling param: ' + JSON.stringify(d); }; + var _sortBy = function (d) { + return d; + }; + var _order = d3.ascending; + + var _htmlGroup = function (d) { + return '<div class=\'' + GROUP_CSS_CLASS + '\'><h1 class=\'' + LABEL_CSS_CLASS + '\'>' + + _chart.keyAccessor()(d) + '</h1></div>'; + }; + + _chart._doRender = function () { + _chart.selectAll('div.' + GRID_CSS_CLASS).remove(); + + renderItems(renderGroups()); + + return _chart; + }; + + function renderGroups() { + var groups = _chart.root().selectAll('div.' + GRID_CSS_CLASS) + .data(nestEntries(), function (d) { + return _chart.keyAccessor()(d); + }); + + var itemGroup = groups + .enter() + .append('div') + .attr('class', GRID_CSS_CLASS); + + if (_htmlGroup) { + itemGroup + .html(function (d) { + return _htmlGroup(d); + }); + } + + groups.exit().remove(); + return itemGroup; + } + + function nestEntries() { + var entries = _chart.dimension().top(_size); + + return d3.nest() + .key(_chart.group()) + .sortKeys(_order) + .entries(entries.sort(function (a, b) { + return _order(_sortBy(a), _sortBy(b)); + })); + } + + function renderItems(groups) { + var items = groups.order() + .selectAll('div.' + ITEM_CSS_CLASS) + .data(function (d) { + return d.values; + }); + + items.enter() + .append('div') + .attr('class', ITEM_CSS_CLASS) + .html(function (d) { + return _html(d); + }); + + items.exit().remove(); + + return items; + } + + _chart._doRedraw = function () { + return _chart._doRender(); + }; + + /** + #### .size([size]) + Get or set the grid size which determines the number of items displayed by the widget. + + **/ + _chart.size = function (s) { + if (!arguments.length) { + return _size; + } + _size = s; + return _chart; + }; + + /** + #### .html( function (data) { return '<html>'; }) + Get or set the function that formats an item. The data grid widget uses a + function to generate dynamic html. Use your favourite templating engine or + generate the string directly. + ```js + chart.html(function (d) { return '<div class='item '+data.exampleCategory+''>'+data.exampleString+'</div>';}); + ``` + + **/ + _chart.html = function (_) { + if (!arguments.length) { + return _html; + } + _html = _; + return _chart; + }; + + /** + #### .htmlGroup( function (data) { return '<html>'; }) + Get or set the function that formats a group label. + ```js + chart.htmlGroup (function (d) { return '<h2>'.d.key . 'with ' . d.values.length .' items</h2>'}); + ``` + + **/ + _chart.htmlGroup = function (_) { + if (!arguments.length) { + return _htmlGroup; + } + _htmlGroup = _; + return _chart; + }; + + /** + #### .sortBy([sortByFunction]) + Get or set sort-by function. This function works as a value accessor at the item + level and returns a particular field to be sorted. + by. Default: identity function + + ```js + chart.sortBy(function(d) { + return d.date; + }); + ``` + + **/ + _chart.sortBy = function (_) { + if (!arguments.length) { + return _sortBy; + } + _sortBy = _; + return _chart; + }; + + /** + #### .order([order]) + Get or set sort order function. Default value: ``` d3.ascending ``` + + ```js + chart.order(d3.descending); + ``` + + **/ + _chart.order = function (_) { + if (!arguments.length) { + return _order; + } + _order = _; + return _chart; + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Bubble Chart +Includes: [Bubble Mixin](#bubble-mixin), [Coordinate Grid Mixin](#coordinate-grid-mixin) + +A concrete implementation of a general purpose bubble chart that allows data visualization using the +following dimensions: + +* x axis position +* y axis position +* bubble radius +* color + +Examples: +* [Nasdaq 100 Index](http://dc-js.github.com/dc.js/) +* [US Venture Capital Landscape 2011](http://dc-js.github.com/dc.js/vc/index.html) +#### dc.bubbleChart(parent[, chartGroup]) +Create a bubble chart instance and attach it to the given parent element. + +Parameters: +* parent : string | node | selection | compositeChart - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created bubble chart instance + +```js +// create a bubble chart under #chart-container1 element using the default global chart group +var bubbleChart1 = dc.bubbleChart('#chart-container1'); +// create a bubble chart under #chart-container2 element using chart group A +var bubbleChart2 = dc.bubbleChart('#chart-container2', 'chartGroupA'); +``` + +**/ +dc.bubbleChart = function (parent, chartGroup) { + var _chart = dc.bubbleMixin(dc.coordinateGridMixin({})); + + var _elasticRadius = false; + + _chart.transitionDuration(750); + + var bubbleLocator = function (d) { + return 'translate(' + (bubbleX(d)) + ',' + (bubbleY(d)) + ')'; + }; + + /** + #### .elasticRadius([boolean]) + Turn on or off the elastic bubble radius feature, or return the value of the flag. If this + feature is turned on, then bubble radii will be automatically rescaled to fit the chart better. + + **/ + _chart.elasticRadius = function (_) { + if (!arguments.length) { + return _elasticRadius; + } + _elasticRadius = _; + return _chart; + }; + + _chart.plotData = function () { + if (_elasticRadius) { + _chart.r().domain([_chart.rMin(), _chart.rMax()]); + } + + _chart.r().range([_chart.MIN_RADIUS, _chart.xAxisLength() * _chart.maxBubbleRelativeSize()]); + + var bubbleG = _chart.chartBodyG().selectAll('g.' + _chart.BUBBLE_NODE_CLASS) + .data(_chart.data(), function (d) { return d.key; }); + + renderNodes(bubbleG); + + updateNodes(bubbleG); + + removeNodes(bubbleG); + + _chart.fadeDeselectedArea(); + }; + + function renderNodes(bubbleG) { + var bubbleGEnter = bubbleG.enter().append('g'); + + bubbleGEnter + .attr('class', _chart.BUBBLE_NODE_CLASS) + .attr('transform', bubbleLocator) + .append('circle').attr('class', function (d, i) { + return _chart.BUBBLE_CLASS + ' _' + i; + }) + .on('click', _chart.onClick) + .attr('fill', _chart.getColor) + .attr('r', 0); + dc.transition(bubbleG, _chart.transitionDuration()) + .selectAll('circle.' + _chart.BUBBLE_CLASS) + .attr('r', function (d) { + return _chart.bubbleR(d); + }) + .attr('opacity', function (d) { + return (_chart.bubbleR(d) > 0) ? 1 : 0; + }); + + _chart._doRenderLabel(bubbleGEnter); + + _chart._doRenderTitles(bubbleGEnter); + } + + function updateNodes(bubbleG) { + dc.transition(bubbleG, _chart.transitionDuration()) + .attr('transform', bubbleLocator) + .selectAll('circle.' + _chart.BUBBLE_CLASS) + .attr('fill', _chart.getColor) + .attr('r', function (d) { + return _chart.bubbleR(d); + }) + .attr('opacity', function (d) { + return (_chart.bubbleR(d) > 0) ? 1 : 0; + }); + + _chart.doUpdateLabels(bubbleG); + _chart.doUpdateTitles(bubbleG); + } + + function removeNodes(bubbleG) { + bubbleG.exit().remove(); + } + + function bubbleX(d) { + var x = _chart.x()(_chart.keyAccessor()(d)); + if (isNaN(x)) { + x = 0; + } + return x; + } + + function bubbleY(d) { + var y = _chart.y()(_chart.valueAccessor()(d)); + if (isNaN(y)) { + y = 0; + } + return y; + } + + _chart.renderBrush = function () { + // override default x axis brush from parent chart + }; + + _chart.redrawBrush = function () { + // override default x axis brush from parent chart + _chart.fadeDeselectedArea(); + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Composite Chart +Includes: [Coordinate Grid Mixin](#coordinate-grid-mixin) + +Composite charts are a special kind of chart that render multiple charts on the same Coordinate +Grid. You can overlay (compose) different bar/line/area charts in a single composite chart to +achieve some quite flexible charting effects. +#### dc.compositeChart(parent[, chartGroup]) +Create a composite chart instance and attach it to the given parent element. + +Parameters: +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created composite chart instance + +```js +// create a composite chart under #chart-container1 element using the default global chart group +var compositeChart1 = dc.compositeChart('#chart-container1'); +// create a composite chart under #chart-container2 element using chart group A +var compositeChart2 = dc.compositeChart('#chart-container2', 'chartGroupA'); +``` + +**/ +dc.compositeChart = function (parent, chartGroup) { + + var SUB_CHART_CLASS = 'sub'; + var DEFAULT_RIGHT_Y_AXIS_LABEL_PADDING = 12; + + var _chart = dc.coordinateGridMixin({}); + var _children = []; + + var _childOptions = {}; + + var _shareColors = false, + _shareTitle = true; + + var _rightYAxis = d3.svg.axis(), + _rightYAxisLabel = 0, + _rightYAxisLabelPadding = DEFAULT_RIGHT_Y_AXIS_LABEL_PADDING, + _rightY, + _rightAxisGridLines = false; + + _chart._mandatoryAttributes([]); + _chart.transitionDuration(500); + + dc.override(_chart, '_generateG', function () { + var g = this.__generateG(); + + for (var i = 0; i < _children.length; ++i) { + var child = _children[i]; + + generateChildG(child, i); + + if (!child.dimension()) { + child.dimension(_chart.dimension()); + } + if (!child.group()) { + child.group(_chart.group()); + } + + child.chartGroup(_chart.chartGroup()); + child.svg(_chart.svg()); + child.xUnits(_chart.xUnits()); + child.transitionDuration(_chart.transitionDuration()); + child.brushOn(_chart.brushOn()); + child.renderTitle(_chart.renderTitle()); + } + + return g; + }); + + _chart._brushing = function () { + var extent = _chart.extendBrush(); + var brushIsEmpty = _chart.brushIsEmpty(extent); + + for (var i = 0; i < _children.length; ++i) { + _children[i].filter(null); + if (!brushIsEmpty) { + _children[i].filter(extent); + } + } + }; + + _chart._prepareYAxis = function () { + if (leftYAxisChildren().length !== 0) { prepareLeftYAxis(); } + if (rightYAxisChildren().length !== 0) { prepareRightYAxis(); } + + if (leftYAxisChildren().length > 0 && !_rightAxisGridLines) { + _chart._renderHorizontalGridLinesForAxis(_chart.g(), _chart.y(), _chart.yAxis()); + } + else if (rightYAxisChildren().length > 0) { + _chart._renderHorizontalGridLinesForAxis(_chart.g(), _rightY, _rightYAxis); + } + }; + + _chart.renderYAxis = function () { + if (leftYAxisChildren().length !== 0) { + _chart.renderYAxisAt('y', _chart.yAxis(), _chart.margins().left); + _chart.renderYAxisLabel('y', _chart.yAxisLabel(), -90); + } + + if (rightYAxisChildren().length !== 0) { + _chart.renderYAxisAt('yr', _chart.rightYAxis(), _chart.width() - _chart.margins().right); + _chart.renderYAxisLabel('yr', _chart.rightYAxisLabel(), 90, _chart.width() - _rightYAxisLabelPadding); + } + }; + + function prepareRightYAxis() { + if (_chart.rightY() === undefined || _chart.elasticY()) { + _chart.rightY(d3.scale.linear()); + _chart.rightY().domain([rightYAxisMin(), rightYAxisMax()]).rangeRound([_chart.yAxisHeight(), 0]); + } + + _chart.rightY().range([_chart.yAxisHeight(), 0]); + _chart.rightYAxis(_chart.rightYAxis().scale(_chart.rightY())); + + _chart.rightYAxis().orient('right'); + } + + function prepareLeftYAxis() { + if (_chart.y() === undefined || _chart.elasticY()) { + _chart.y(d3.scale.linear()); + _chart.y().domain([yAxisMin(), yAxisMax()]).rangeRound([_chart.yAxisHeight(), 0]); + } + + _chart.y().range([_chart.yAxisHeight(), 0]); + _chart.yAxis(_chart.yAxis().scale(_chart.y())); + + _chart.yAxis().orient('left'); + } + + function generateChildG(child, i) { + child._generateG(_chart.g()); + child.g().attr('class', SUB_CHART_CLASS + ' _' + i); + } + + _chart.plotData = function () { + for (var i = 0; i < _children.length; ++i) { + var child = _children[i]; + + if (!child.g()) { + generateChildG(child, i); + } + + if (_shareColors) { + child.colors(_chart.colors()); + } + + child.x(_chart.x()); + + child.xAxis(_chart.xAxis()); + + if (child.useRightYAxis()) { + child.y(_chart.rightY()); + child.yAxis(_chart.rightYAxis()); + } + else { + child.y(_chart.y()); + child.yAxis(_chart.yAxis()); + } + + child.plotData(); + + child._activateRenderlets(); + } + }; + + /** + #### .useRightAxisGridLines(bool) + Get or set whether to draw gridlines from the right y axis. Drawing from the left y axis is the + default behavior. This option is only respected when subcharts with both left and right y-axes + are present. + **/ + _chart.useRightAxisGridLines = function (_) { + if (!arguments) { + return _rightAxisGridLines; + } + + _rightAxisGridLines = _; + return _chart; + }; + + /** + #### .childOptions({object}) + Get or set chart-specific options for all child charts. This is equivalent to calling `.options` + on each child chart. + **/ + _chart.childOptions = function (_) { + if (!arguments.length) { + return _childOptions; + } + _childOptions = _; + _children.forEach(function (child) { + child.options(_childOptions); + }); + return _chart; + }; + + _chart.fadeDeselectedArea = function () { + for (var i = 0; i < _children.length; ++i) { + var child = _children[i]; + child.brush(_chart.brush()); + child.fadeDeselectedArea(); + } + }; + + /** + #### .rightYAxisLabel([labelText]) + Set or get the right y axis label. + **/ + _chart.rightYAxisLabel = function (_, padding) { + if (!arguments.length) { + return _rightYAxisLabel; + } + _rightYAxisLabel = _; + _chart.margins().right -= _rightYAxisLabelPadding; + _rightYAxisLabelPadding = (padding === undefined) ? DEFAULT_RIGHT_Y_AXIS_LABEL_PADDING : padding; + _chart.margins().right += _rightYAxisLabelPadding; + return _chart; + }; + + /** + #### .compose(subChartArray) + Combine the given charts into one single composite coordinate grid chart. + + ```js + // compose the given charts in the array into one single composite chart + moveChart.compose([ + // when creating sub-chart you need to pass in the parent chart + dc.lineChart(moveChart) + .group(indexAvgByMonthGroup) // if group is missing then parent's group will be used + .valueAccessor(function (d){return d.value.avg;}) + // most of the normal functions will continue to work in a composed chart + .renderArea(true) + .stack(monthlyMoveGroup, function (d){return d.value;}) + .title(function (d){ + var value = d.value.avg?d.value.avg:d.value; + if(isNaN(value)) value = 0; + return dateFormat(d.key) + '\n' + numberFormat(value); + }), + dc.barChart(moveChart) + .group(volumeByMonthGroup) + .centerBar(true) + ]); + ``` + + **/ + _chart.compose = function (charts) { + _children = charts; + _children.forEach(function (child) { + child.height(_chart.height()); + child.width(_chart.width()); + child.margins(_chart.margins()); + + if (_shareTitle) { + child.title(_chart.title()); + } + + child.options(_childOptions); + }); + return _chart; + }; + + /** + #### .children() + Returns the child charts which are composed into the composite chart. + **/ + + _chart.children = function () { + return _children; + }; + + /** + #### .shareColors([boolean]) + Get or set color sharing for the chart. If set, the `.colors()` value from this chart + will be shared with composed children. Additionally if the child chart implements + Stackable and has not set a custom .colorAccessor, then it will generate a color + specific to its order in the composition. + **/ + _chart.shareColors = function (_) { + if (!arguments.length) { + return _shareColors; + } + _shareColors = _; + return _chart; + }; + + /** + #### .shareTitle([[boolean]) + Get or set title sharing for the chart. If set, the `.title()` value from this chart will be + shared with composed children. Default value is true. + **/ + _chart.shareTitle = function (_) { + if (!arguments.length) { + return _shareTitle; + } + _shareTitle = _; + return _chart; + }; + + /** + #### .rightY([yScale]) + Get or set the y scale for the right axis. The right y scale is typically automatically + generated by the chart implementation. + + **/ + _chart.rightY = function (_) { + if (!arguments.length) { + return _rightY; + } + _rightY = _; + return _chart; + }; + + function leftYAxisChildren() { + return _children.filter(function (child) { + return !child.useRightYAxis(); + }); + } + + function rightYAxisChildren() { + return _children.filter(function (child) { + return child.useRightYAxis(); + }); + } + + function getYAxisMin(charts) { + return charts.map(function (c) { + return c.yAxisMin(); + }); + } + + delete _chart.yAxisMin; + function yAxisMin() { + return d3.min(getYAxisMin(leftYAxisChildren())); + } + + function rightYAxisMin() { + return d3.min(getYAxisMin(rightYAxisChildren())); + } + + function getYAxisMax(charts) { + return charts.map(function (c) { + return c.yAxisMax(); + }); + } + + delete _chart.yAxisMax; + function yAxisMax() { + return dc.utils.add(d3.max(getYAxisMax(leftYAxisChildren())), _chart.yAxisPadding()); + } + + function rightYAxisMax() { + return dc.utils.add(d3.max(getYAxisMax(rightYAxisChildren())), _chart.yAxisPadding()); + } + + function getAllXAxisMinFromChildCharts() { + return _children.map(function (c) { + return c.xAxisMin(); + }); + } + + dc.override(_chart, 'xAxisMin', function () { + return dc.utils.subtract(d3.min(getAllXAxisMinFromChildCharts()), _chart.xAxisPadding()); + }); + + function getAllXAxisMaxFromChildCharts() { + return _children.map(function (c) { + return c.xAxisMax(); + }); + } + + dc.override(_chart, 'xAxisMax', function () { + return dc.utils.add(d3.max(getAllXAxisMaxFromChildCharts()), _chart.xAxisPadding()); + }); + + _chart.legendables = function () { + return _children.reduce(function (items, child) { + if (_shareColors) { + child.colors(_chart.colors()); + } + items.push.apply(items, child.legendables()); + return items; + }, []); + }; + + _chart.legendHighlight = function (d) { + for (var j = 0; j < _children.length; ++j) { + var child = _children[j]; + child.legendHighlight(d); + } + }; + + _chart.legendReset = function (d) { + for (var j = 0; j < _children.length; ++j) { + var child = _children[j]; + child.legendReset(d); + } + }; + + _chart.legendToggle = function () { + console.log('composite should not be getting legendToggle itself'); + }; + + /** + #### .rightYAxis([yAxis]) + Set or get the right y axis used by the composite chart. This function is most useful when y + axis customization is required. The y axis in dc.js is an instance of a [d3 axis + object](https://github.com/mbostock/d3/wiki/SVG-Axes#wiki-_axis) therefore it supports any valid + d3 axis manipulation. **Caution**: The y axis is usually generated internally by dc; + resetting it may cause unexpected results. + ```jså + // customize y axis tick format + chart.rightYAxis().tickFormat(function (v) {return v + '%';}); + // customize y axis tick values + chart.rightYAxis().tickValues([0, 100, 200, 300]); + ``` + + **/ + _chart.rightYAxis = function (rightYAxis) { + if (!arguments.length) { + return _rightYAxis; + } + _rightYAxis = rightYAxis; + return _chart; + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** + ## Series Chart + + Includes: [Composite Chart](#composite chart) + + A series chart is a chart that shows multiple series of data overlaid on one chart, where the + series is specified in the data. It is a specialization of Composite Chart and inherits all + composite features other than recomposing the chart. + + #### dc.seriesChart(parent[, chartGroup]) + Create a series chart instance and attach it to the given parent element. + + Parameters: +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + + Returns: + A newly created series chart instance + + ```js + // create a series chart under #chart-container1 element using the default global chart group + var seriesChart1 = dc.seriesChart("#chart-container1"); + // create a series chart under #chart-container2 element using chart group A + var seriesChart2 = dc.seriesChart("#chart-container2", "chartGroupA"); + ``` + + **/ +dc.seriesChart = function (parent, chartGroup) { + var _chart = dc.compositeChart(parent, chartGroup); + + function keySort(a, b) { + return d3.ascending(_chart.keyAccessor()(a), _chart.keyAccessor()(b)); + } + + var _charts = {}; + var _chartFunction = dc.lineChart; + var _seriesAccessor; + var _seriesSort = d3.ascending; + var _valueSort = keySort; + + _chart._mandatoryAttributes().push('seriesAccessor', 'chart'); + _chart.shareColors(true); + + _chart._preprocessData = function () { + var keep = []; + var childrenChanged; + var nester = d3.nest().key(_seriesAccessor); + if (_seriesSort) { + nester.sortKeys(_seriesSort); + } + if (_valueSort) { + nester.sortValues(_valueSort); + } + var nesting = nester.entries(_chart.data()); + var children = + nesting.map(function (sub, i) { + var subChart = _charts[sub.key] || _chartFunction.call(_chart, _chart, chartGroup, sub.key, i); + if (!_charts[sub.key]) { + childrenChanged = true; + } + _charts[sub.key] = subChart; + keep.push(sub.key); + return subChart + .dimension(_chart.dimension()) + .group({all:d3.functor(sub.values)}, sub.key) + .keyAccessor(_chart.keyAccessor()) + .valueAccessor(_chart.valueAccessor()) + .brushOn(_chart.brushOn()); + }); + // this works around the fact compositeChart doesn't really + // have a removal interface + Object.keys(_charts) + .filter(function (c) {return keep.indexOf(c) === -1;}) + .forEach(function (c) { + clearChart(c); + childrenChanged = true; + }); + _chart._compose(children); + if (childrenChanged && _chart.legend()) { + _chart.legend().render(); + } + }; + + function clearChart(c) { + if (_charts[c].g()) { + _charts[c].g().remove(); + } + delete _charts[c]; + } + + function resetChildren() { + Object.keys(_charts).map(clearChart); + _charts = {}; + } + + /** + #### .chart([function]) + Get or set the chart function, which generates the child charts. Default: dc.lineChart + + ``` + // put interpolation on the line charts used for the series + chart.chart(function(c) { return dc.lineChart(c).interpolate('basis'); }) + // do a scatter series chart + chart.chart(dc.scatterPlot) + ``` + + **/ + _chart.chart = function (_) { + if (!arguments.length) { + return _chartFunction; + } + _chartFunction = _; + resetChildren(); + return _chart; + }; + + /** + #### .seriesAccessor([accessor]) + Get or set accessor function for the displayed series. Given a datum, this function + should return the series that datum belongs to. + **/ + _chart.seriesAccessor = function (_) { + if (!arguments.length) { + return _seriesAccessor; + } + _seriesAccessor = _; + resetChildren(); + return _chart; + }; + + /** + #### .seriesSort([sortFunction]) + Get or set a function to sort the list of series by, given series values. + + Example: + ``` + chart.seriesSort(d3.descending); + ``` + **/ + _chart.seriesSort = function (_) { + if (!arguments.length) { + return _seriesSort; + } + _seriesSort = _; + resetChildren(); + return _chart; + }; + + /** + #### .valueSort([sortFunction]) + Get or set a function to sort each series values by. By default this is the key accessor which, + for example, will ensure a lineChart series connects its points in increasing key/x order, + rather than haphazardly. + **/ + _chart.valueSort = function (_) { + if (!arguments.length) { + return _valueSort; + } + _valueSort = _; + resetChildren(); + return _chart; + }; + + // make compose private + _chart._compose = _chart.compose; + delete _chart.compose; + + return _chart; +}; + +/** +## Geo Choropleth Chart +Includes: [Color Mixin](#color-mixin), [Base Mixin](#base-mixin) + +The geo choropleth chart is designed as an easy way to create a crossfilter driven choropleth map +from GeoJson data. This chart implementation was inspired by [the great d3 choropleth +example](http://bl.ocks.org/4060606). + +Examples: +* [US Venture Capital Landscape 2011](http://dc-js.github.com/dc.js/vc/index.html) +#### dc.geoChoroplethChart(parent[, chartGroup]) +Create a choropleth chart instance and attach it to the given parent element. + +Parameters: +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created choropleth chart instance + +```js +// create a choropleth chart under '#us-chart' element using the default global chart group +var chart1 = dc.geoChoroplethChart('#us-chart'); +// create a choropleth chart under '#us-chart2' element using chart group A +var chart2 = dc.compositeChart('#us-chart2', 'chartGroupA'); +``` + +**/ +dc.geoChoroplethChart = function (parent, chartGroup) { + var _chart = dc.colorMixin(dc.baseMixin({})); + + _chart.colorAccessor(function (d) { + return d || 0; + }); + + var _geoPath = d3.geo.path(); + var _projectionFlag; + + var _geoJsons = []; + + _chart._doRender = function () { + _chart.resetSvg(); + for (var layerIndex = 0; layerIndex < _geoJsons.length; ++layerIndex) { + var states = _chart.svg().append('g') + .attr('class', 'layer' + layerIndex); + + var regionG = states.selectAll('g.' + geoJson(layerIndex).name) + .data(geoJson(layerIndex).data) + .enter() + .append('g') + .attr('class', geoJson(layerIndex).name); + + regionG + .append('path') + .attr('fill', 'white') + .attr('d', _geoPath); + + regionG.append('title'); + + plotData(layerIndex); + } + _projectionFlag = false; + }; + + function plotData(layerIndex) { + var data = generateLayeredData(); + + if (isDataLayer(layerIndex)) { + var regionG = renderRegionG(layerIndex); + + renderPaths(regionG, layerIndex, data); + + renderTitle(regionG, layerIndex, data); + } + } + + function generateLayeredData() { + var data = {}; + var groupAll = _chart.data(); + for (var i = 0; i < groupAll.length; ++i) { + data[_chart.keyAccessor()(groupAll[i])] = _chart.valueAccessor()(groupAll[i]); + } + return data; + } + + function isDataLayer(layerIndex) { + return geoJson(layerIndex).keyAccessor; + } + + function renderRegionG(layerIndex) { + var regionG = _chart.svg() + .selectAll(layerSelector(layerIndex)) + .classed('selected', function (d) { + return isSelected(layerIndex, d); + }) + .classed('deselected', function (d) { + return isDeselected(layerIndex, d); + }) + .attr('class', function (d) { + var layerNameClass = geoJson(layerIndex).name; + var regionClass = dc.utils.nameToId(geoJson(layerIndex).keyAccessor(d)); + var baseClasses = layerNameClass + ' ' + regionClass; + if (isSelected(layerIndex, d)) { + baseClasses += ' selected'; + } + if (isDeselected(layerIndex, d)) { + baseClasses += ' deselected'; + } + return baseClasses; + }); + return regionG; + } + + function layerSelector(layerIndex) { + return 'g.layer' + layerIndex + ' g.' + geoJson(layerIndex).name; + } + + function isSelected(layerIndex, d) { + return _chart.hasFilter() && _chart.hasFilter(getKey(layerIndex, d)); + } + + function isDeselected(layerIndex, d) { + return _chart.hasFilter() && !_chart.hasFilter(getKey(layerIndex, d)); + } + + function getKey(layerIndex, d) { + return geoJson(layerIndex).keyAccessor(d); + } + + function geoJson(index) { + return _geoJsons[index]; + } + + function renderPaths(regionG, layerIndex, data) { + var paths = regionG + .select('path') + .attr('fill', function () { + var currentFill = d3.select(this).attr('fill'); + if (currentFill) { + return currentFill; + } + return 'none'; + }) + .on('click', function (d) { + return _chart.onClick(d, layerIndex); + }); + + dc.transition(paths, _chart.transitionDuration()).attr('fill', function (d, i) { + return _chart.getColor(data[geoJson(layerIndex).keyAccessor(d)], i); + }); + } + + _chart.onClick = function (d, layerIndex) { + var selectedRegion = geoJson(layerIndex).keyAccessor(d); + dc.events.trigger(function () { + _chart.filter(selectedRegion); + _chart.redrawGroup(); + }); + }; + + function renderTitle(regionG, layerIndex, data) { + if (_chart.renderTitle()) { + regionG.selectAll('title').text(function (d) { + var key = getKey(layerIndex, d); + var value = data[key]; + return _chart.title()({key: key, value: value}); + }); + } + } + + _chart._doRedraw = function () { + for (var layerIndex = 0; layerIndex < _geoJsons.length; ++layerIndex) { + plotData(layerIndex); + if (_projectionFlag) { + _chart.svg().selectAll('g.' + geoJson(layerIndex).name + ' path').attr('d', _geoPath); + } + } + _projectionFlag = false; + }; + + /** + #### .overlayGeoJson(json, name, keyAccessor) - **mandatory** + Use this function to insert a new GeoJson map layer. This function can be invoked multiple times + if you have multiple GeoJson data layers to render on top of each other. If you overlay multiple + layers with the same name the new overlay will override the existing one. + + Parameters: + * json - GeoJson feed + * name - name of the layer + * keyAccessor - accessor function used to extract 'key' from the GeoJson data. The key extracted by + this function should match the keys returned by the crossfilter groups. + + ```js + // insert a layer for rendering US states + chart.overlayGeoJson(statesJson.features, 'state', function(d) { + return d.properties.name; + }); + ``` + + **/ + _chart.overlayGeoJson = function (json, name, keyAccessor) { + for (var i = 0; i < _geoJsons.length; ++i) { + if (_geoJsons[i].name === name) { + _geoJsons[i].data = json; + _geoJsons[i].keyAccessor = keyAccessor; + return _chart; + } + } + _geoJsons.push({name: name, data: json, keyAccessor: keyAccessor}); + return _chart; + }; + + /** + #### .projection(projection) + Set custom geo projection function. See the available [d3 geo projection + functions](https://github.com/mbostock/d3/wiki/Geo-Projections). Default value: albersUsa. + + **/ + _chart.projection = function (projection) { + _geoPath.projection(projection); + _projectionFlag = true; + return _chart; + }; + + /** + #### .geoJsons() + Returns all GeoJson layers currently registered with this chart. The returned array is a + reference to this chart's internal data structure, so any modification to this array will also + modify this chart's internal registration. + + Returns an array of objects containing fields {name, data, accessor} + + **/ + _chart.geoJsons = function () { + return _geoJsons; + }; + + /** + #### .geoPath() + Returns the [d3.geo.path](https://github.com/mbostock/d3/wiki/Geo-Paths#path) object used to + render the projection and features. Can be useful for figuring out the bounding box of the + feature set and thus a way to calculate scale and translation for the projection. + + **/ + _chart.geoPath = function () { + return _geoPath; + }; + + /** + #### .removeGeoJson(name) + Remove a GeoJson layer from this chart by name + + **/ + _chart.removeGeoJson = function (name) { + var geoJsons = []; + + for (var i = 0; i < _geoJsons.length; ++i) { + var layer = _geoJsons[i]; + if (layer.name !== name) { + geoJsons.push(layer); + } + } + + _geoJsons = geoJsons; + + return _chart; + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Bubble Overlay Chart +Includes: [Bubble Mixin](#bubble-mixin), [Base Mixin](#base-mixin) + +The bubble overlay chart is quite different from the typical bubble chart. With the bubble overlay +chart you can arbitrarily place bubbles on an existing svg or bitmap image, thus changing the +typical x and y positioning while retaining the capability to visualize data using bubble radius +and coloring. + +Examples: +* [Canadian City Crime Stats](http://dc-js.github.com/dc.js/crime/index.html) +#### dc.bubbleOverlay(parent[, chartGroup]) +Create a bubble overlay chart instance and attach it to the given parent element. + +Parameters: +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + off-screen. Typically this element should also be the parent of the underlying image. +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created bubble overlay chart instance + +```js +// create a bubble overlay chart on top of the '#chart-container1 svg' element using the default global chart group +var bubbleChart1 = dc.bubbleOverlayChart('#chart-container1').svg(d3.select('#chart-container1 svg')); +// create a bubble overlay chart on top of the '#chart-container2 svg' element using chart group A +var bubbleChart2 = dc.compositeChart('#chart-container2', 'chartGroupA').svg(d3.select('#chart-container2 svg')); +``` +#### .svg(imageElement) - **mandatory** +Set the underlying svg image element. Unlike other dc charts this chart will not generate a svg +element; therefore the bubble overlay chart will not work if this function is not invoked. If the +underlying image is a bitmap, then an empty svg will need to be created on top of the image. + +```js +// set up underlying svg element +chart.svg(d3.select('#chart svg')); +``` + +**/ +dc.bubbleOverlay = function (root, chartGroup) { + var BUBBLE_OVERLAY_CLASS = 'bubble-overlay'; + var BUBBLE_NODE_CLASS = 'node'; + var BUBBLE_CLASS = 'bubble'; + + var _chart = dc.bubbleMixin(dc.baseMixin({})); + var _g; + var _points = []; + + _chart.transitionDuration(750); + + _chart.radiusValueAccessor(function (d) { + return d.value; + }); + + /** + #### .point(name, x, y) - **mandatory** + Set up a data point on the overlay. The name of a data point should match a specific 'key' among + data groups generated using keyAccessor. If a match is found (point name <-> data group key) + then a bubble will be generated at the position specified by the function. x and y + value specified here are relative to the underlying svg. + + **/ + _chart.point = function (name, x, y) { + _points.push({name: name, x: x, y: y}); + return _chart; + }; + + _chart._doRender = function () { + _g = initOverlayG(); + + _chart.r().range([_chart.MIN_RADIUS, _chart.width() * _chart.maxBubbleRelativeSize()]); + + initializeBubbles(); + + _chart.fadeDeselectedArea(); + + return _chart; + }; + + function initOverlayG() { + _g = _chart.select('g.' + BUBBLE_OVERLAY_CLASS); + if (_g.empty()) { + _g = _chart.svg().append('g').attr('class', BUBBLE_OVERLAY_CLASS); + } + return _g; + } + + function initializeBubbles() { + var data = mapData(); + + _points.forEach(function (point) { + var nodeG = getNodeG(point, data); + + var circle = nodeG.select('circle.' + BUBBLE_CLASS); + + if (circle.empty()) { + circle = nodeG.append('circle') + .attr('class', BUBBLE_CLASS) + .attr('r', 0) + .attr('fill', _chart.getColor) + .on('click', _chart.onClick); + } + + dc.transition(circle, _chart.transitionDuration()) + .attr('r', function (d) { + return _chart.bubbleR(d); + }); + + _chart._doRenderLabel(nodeG); + + _chart._doRenderTitles(nodeG); + }); + } + + function mapData() { + var data = {}; + _chart.data().forEach(function (datum) { + data[_chart.keyAccessor()(datum)] = datum; + }); + return data; + } + + function getNodeG(point, data) { + var bubbleNodeClass = BUBBLE_NODE_CLASS + ' ' + dc.utils.nameToId(point.name); + + var nodeG = _g.select('g.' + dc.utils.nameToId(point.name)); + + if (nodeG.empty()) { + nodeG = _g.append('g') + .attr('class', bubbleNodeClass) + .attr('transform', 'translate(' + point.x + ',' + point.y + ')'); + } + + nodeG.datum(data[point.name]); + + return nodeG; + } + + _chart._doRedraw = function () { + updateBubbles(); + + _chart.fadeDeselectedArea(); + + return _chart; + }; + + function updateBubbles() { + var data = mapData(); + + _points.forEach(function (point) { + var nodeG = getNodeG(point, data); + + var circle = nodeG.select('circle.' + BUBBLE_CLASS); + + dc.transition(circle, _chart.transitionDuration()) + .attr('r', function (d) { + return _chart.bubbleR(d); + }) + .attr('fill', _chart.getColor); + + _chart.doUpdateLabels(nodeG); + + _chart.doUpdateTitles(nodeG); + }); + } + + _chart.debug = function (flag) { + if (flag) { + var debugG = _chart.select('g.' + dc.constants.DEBUG_GROUP_CLASS); + + if (debugG.empty()) { + debugG = _chart.svg() + .append('g') + .attr('class', dc.constants.DEBUG_GROUP_CLASS); + } + + var debugText = debugG.append('text') + .attr('x', 10) + .attr('y', 20); + + debugG + .append('rect') + .attr('width', _chart.width()) + .attr('height', _chart.height()) + .on('mousemove', function () { + var position = d3.mouse(debugG.node()); + var msg = position[0] + ', ' + position[1]; + debugText.text(msg); + }); + } else { + _chart.selectAll('.debug').remove(); + } + + return _chart; + }; + + _chart.anchor(root, chartGroup); + + return _chart; +}; + +/** +## Row Chart +Includes: [Cap Mixin](#cap-mixin), [Margin Mixin](#margin-mixin), [Color Mixin](#color-mixin), [Base Mixin](#base-mixin) + +Concrete row chart implementation. +#### dc.rowChart(parent[, chartGroup]) +Create a row chart instance and attach it to the given parent element. + +Parameters: + +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created row chart instance + +```js +// create a row chart under #chart-container1 element using the default global chart group +var chart1 = dc.rowChart('#chart-container1'); +// create a row chart under #chart-container2 element using chart group A +var chart2 = dc.rowChart('#chart-container2', 'chartGroupA'); +``` + +**/ +dc.rowChart = function (parent, chartGroup) { + + var _g; + + var _labelOffsetX = 10; + var _labelOffsetY = 15; + var _hasLabelOffsetY = false; + var _dyOffset = '0.35em'; // this helps center labels https://github.com/mbostock/d3/wiki/SVG-Shapes#svg_text + var _titleLabelOffsetX = 2; + + var _gap = 5; + + var _fixedBarHeight = false; + var _rowCssClass = 'row'; + var _titleRowCssClass = 'titlerow'; + var _renderTitleLabel = false; + + var _chart = dc.capMixin(dc.marginMixin(dc.colorMixin(dc.baseMixin({})))); + + var _x; + + var _elasticX; + + var _xAxis = d3.svg.axis().orient('bottom'); + + var _rowData; + + _chart.rowsCap = _chart.cap; + + function calculateAxisScale() { + if (!_x || _elasticX) { + var extent = d3.extent(_rowData, _chart.cappedValueAccessor); + if (extent[0] > 0) { + extent[0] = 0; + } + _x = d3.scale.linear().domain(extent) + .range([0, _chart.effectiveWidth()]); + } + _xAxis.scale(_x); + } + + function drawAxis() { + var axisG = _g.select('g.axis'); + + calculateAxisScale(); + + if (axisG.empty()) { + axisG = _g.append('g').attr('class', 'axis') + .attr('transform', 'translate(0, ' + _chart.effectiveHeight() + ')'); + } + + dc.transition(axisG, _chart.transitionDuration()) + .call(_xAxis); + } + + _chart._doRender = function () { + _chart.resetSvg(); + + _g = _chart.svg() + .append('g') + .attr('transform', 'translate(' + _chart.margins().left + ',' + _chart.margins().top + ')'); + + drawChart(); + + return _chart; + }; + + _chart.title(function (d) { + return _chart.cappedKeyAccessor(d) + ': ' + _chart.cappedValueAccessor(d); + }); + + _chart.label(_chart.cappedKeyAccessor); + + /** + #### .x([scale]) + Gets or sets the x scale. The x scale can be any d3 + [quantitive scale](https://github.com/mbostock/d3/wiki/Quantitative-Scales) + **/ + _chart.x = function (x) { + if (!arguments.length) { + return _x; + } + _x = x; + return _chart; + }; + + function drawGridLines() { + _g.selectAll('g.tick') + .select('line.grid-line') + .remove(); + + _g.selectAll('g.tick') + .append('line') + .attr('class', 'grid-line') + .attr('x1', 0) + .attr('y1', 0) + .attr('x2', 0) + .attr('y2', function () { + return -_chart.effectiveHeight(); + }); + } + + function drawChart() { + _rowData = _chart.data(); + + drawAxis(); + drawGridLines(); + + var rows = _g.selectAll('g.' + _rowCssClass) + .data(_rowData); + + createElements(rows); + removeElements(rows); + updateElements(rows); + } + + function createElements(rows) { + var rowEnter = rows.enter() + .append('g') + .attr('class', function (d, i) { + return _rowCssClass + ' _' + i; + }); + + rowEnter.append('rect').attr('width', 0); + + createLabels(rowEnter); + updateLabels(rows); + } + + function removeElements(rows) { + rows.exit().remove(); + } + + function rootValue() { + var root = _x(0); + return (root === -Infinity || root !== root) ? _x(1) : root; + } + + function updateElements(rows) { + var n = _rowData.length; + + var height; + if (!_fixedBarHeight) { + height = (_chart.effectiveHeight() - (n + 1) * _gap) / n; + } else { + height = _fixedBarHeight; + } + + // vertically align label in center unless they override the value via property setter + if (!_hasLabelOffsetY) { + _labelOffsetY = height / 2; + } + + var rect = rows.attr('transform', function (d, i) { + return 'translate(0,' + ((i + 1) * _gap + i * height) + ')'; + }).select('rect') + .attr('height', height) + .attr('fill', _chart.getColor) + .on('click', onClick) + .classed('deselected', function (d) { + return (_chart.hasFilter()) ? !isSelectedRow(d) : false; + }) + .classed('selected', function (d) { + return (_chart.hasFilter()) ? isSelectedRow(d) : false; + }); + + dc.transition(rect, _chart.transitionDuration()) + .attr('width', function (d) { + return Math.abs(rootValue() - _x(_chart.valueAccessor()(d))); + }) + .attr('transform', translateX); + + createTitles(rows); + updateLabels(rows); + } + + function createTitles(rows) { + if (_chart.renderTitle()) { + rows.selectAll('title').remove(); + rows.append('title').text(_chart.title()); + } + } + + function createLabels(rowEnter) { + if (_chart.renderLabel()) { + rowEnter.append('text') + .on('click', onClick); + } + if (_chart.renderTitleLabel()) { + rowEnter.append('text') + .attr('class', _titleRowCssClass) + .on('click', onClick); + } + } + + function updateLabels(rows) { + if (_chart.renderLabel()) { + var lab = rows.select('text') + .attr('x', _labelOffsetX) + .attr('y', _labelOffsetY) + .attr('dy', _dyOffset) + .on('click', onClick) + .attr('class', function (d, i) { + return _rowCssClass + ' _' + i; + }) + .text(function (d) { + return _chart.label()(d); + }); + dc.transition(lab, _chart.transitionDuration()) + .attr('transform', translateX); + } + if (_chart.renderTitleLabel()) { + var titlelab = rows.select('.' + _titleRowCssClass) + .attr('x', _chart.effectiveWidth() - _titleLabelOffsetX) + .attr('y', _labelOffsetY) + .attr('text-anchor', 'end') + .on('click', onClick) + .attr('class', function (d, i) { + return _titleRowCssClass + ' _' + i ; + }) + .text(function (d) { + return _chart.title()(d); + }); + dc.transition(titlelab, _chart.transitionDuration()) + .attr('transform', translateX); + } + } + + /** + #### .renderTitleLabel(boolean) + Turn on/off Title label rendering (values) using SVG style of text-anchor 'end' + + **/ + _chart.renderTitleLabel = function (_) { + if (!arguments.length) { + return _renderTitleLabel; + } + _renderTitleLabel = _; + return _chart; + }; + + function onClick(d) { + _chart.onClick(d); + } + + function translateX(d) { + var x = _x(_chart.cappedValueAccessor(d)), + x0 = rootValue(), + s = x > x0 ? x0 : x; + return 'translate(' + s + ',0)'; + } + + _chart._doRedraw = function () { + drawChart(); + return _chart; + }; + + /** + #### .xAxis() + Get the x axis for the row chart instance. Note: not settable for row charts. + See the [d3 axis object](https://github.com/mbostock/d3/wiki/SVG-Axes#wiki-axis) documention for more information. + ```js + // customize x axis tick format + chart.xAxis().tickFormat(function (v) {return v + '%';}); + // customize x axis tick values + chart.xAxis().tickValues([0, 100, 200, 300]); + ``` + + **/ + _chart.xAxis = function () { + return _xAxis; + }; + + /** + #### .fixedBarHeight([height]) + Get or set the fixed bar height. Default is [false] which will auto-scale bars. + For example, if you want to fix the height for a specific number of bars (useful in TopN charts) + you could fix height as follows (where count = total number of bars in your TopN and gap is + your vertical gap space). + ```js + chart.fixedBarHeight( chartheight - (count + 1) * gap / count); + ``` + **/ + _chart.fixedBarHeight = function (g) { + if (!arguments.length) { + return _fixedBarHeight; + } + _fixedBarHeight = g; + return _chart; + }; + + /** + #### .gap([gap]) + Get or set the vertical gap space between rows on a particular row chart instance. Default gap is 5px; + + **/ + _chart.gap = function (g) { + if (!arguments.length) { + return _gap; + } + _gap = g; + return _chart; + }; + + /** + #### .elasticX([boolean]) + Get or set the elasticity on x axis. If this attribute is set to true, then the x axis will rescle to auto-fit the + data range when filtered. + + **/ + _chart.elasticX = function (_) { + if (!arguments.length) { + return _elasticX; + } + _elasticX = _; + return _chart; + }; + + /** + #### .labelOffsetX([x]) + Get or set the x offset (horizontal space to the top left corner of a row) for labels on a particular row chart. + Default x offset is 10px; + + **/ + _chart.labelOffsetX = function (o) { + if (!arguments.length) { + return _labelOffsetX; + } + _labelOffsetX = o; + return _chart; + }; + + /** + #### .labelOffsetY([y]) + Get or set the y offset (vertical space to the top left corner of a row) for labels on a particular row chart. + Default y offset is 15px; + + **/ + _chart.labelOffsetY = function (o) { + if (!arguments.length) { + return _labelOffsetY; + } + _labelOffsetY = o; + _hasLabelOffsetY = true; + return _chart; + }; + + /** + #### .titleLabelOffsetx([x]) + Get of set the x offset (horizontal space between right edge of row and right edge or text. + Default x offset is 2px; + + **/ + _chart.titleLabelOffsetX = function (o) { + if (!arguments.length) { + return _titleLabelOffsetX; + } + _titleLabelOffsetX = o; + return _chart; + }; + + function isSelectedRow (d) { + return _chart.hasFilter(_chart.cappedKeyAccessor(d)); + } + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Legend +Legend is a attachable widget that can be added to other dc charts to render horizontal legend +labels. + +```js +chart.legend(dc.legend().x(400).y(10).itemHeight(13).gap(5)) +``` + +Examples: +* [Nasdaq 100 Index](http://dc-js.github.com/dc.js/) +* [Canadian City Crime Stats](http://dc-js.github.com/dc.js/crime/index.html) + +**/ +dc.legend = function () { + var LABEL_GAP = 2; + + var _legend = {}, + _parent, + _x = 0, + _y = 0, + _itemHeight = 12, + _gap = 5, + _horizontal = false, + _legendWidth = 560, + _itemWidth = 70; + + var _g; + + _legend.parent = function (p) { + if (!arguments.length) { + return _parent; + } + _parent = p; + return _legend; + }; + + _legend.render = function () { + _parent.svg().select('g.dc-legend').remove(); + _g = _parent.svg().append('g') + .attr('class', 'dc-legend') + .attr('transform', 'translate(' + _x + ',' + _y + ')'); + var legendables = _parent.legendables(); + + var itemEnter = _g.selectAll('g.dc-legend-item') + .data(legendables) + .enter() + .append('g') + .attr('class', 'dc-legend-item') + .on('mouseover', function (d) { + _parent.legendHighlight(d); + }) + .on('mouseout', function (d) { + _parent.legendReset(d); + }) + .on('click', function (d) { + d.chart.legendToggle(d); + }); + + _g.selectAll('g.dc-legend-item') + .classed('fadeout', function (d) { + return d.chart.isLegendableHidden(d); + }); + + if (legendables.some(dc.pluck('dashstyle'))) { + itemEnter + .append('line') + .attr('x1', 0) + .attr('y1', _itemHeight / 2) + .attr('x2', _itemHeight) + .attr('y2', _itemHeight / 2) + .attr('stroke-width', 2) + .attr('stroke-dasharray', dc.pluck('dashstyle')) + .attr('stroke', dc.pluck('color')); + } else { + itemEnter + .append('rect') + .attr('width', _itemHeight) + .attr('height', _itemHeight) + .attr('fill', function (d) {return d ? d.color : 'blue';}); + } + + itemEnter.append('text') + .text(dc.pluck('name')) + .attr('x', _itemHeight + LABEL_GAP) + .attr('y', function () { + return _itemHeight / 2 + (this.clientHeight ? this.clientHeight : 13) / 2 - 2; + }); + + var _cumulativeLegendTextWidth = 0; + var row = 0; + itemEnter.attr('transform', function (d, i) { + if (_horizontal) { + var translateBy = 'translate(' + _cumulativeLegendTextWidth + ',' + row * legendItemHeight() + ')'; + if ((_cumulativeLegendTextWidth + _itemWidth) >= _legendWidth) { + ++row ; + _cumulativeLegendTextWidth = 0 ; + } else { + _cumulativeLegendTextWidth += _itemWidth; + } + return translateBy; + } + else { + return 'translate(0,' + i * legendItemHeight() + ')'; + } + }); + }; + + function legendItemHeight() { + return _gap + _itemHeight; + } + + /** + #### .x([value]) + Set or get x coordinate for legend widget. Default: 0. + **/ + _legend.x = function (x) { + if (!arguments.length) { + return _x; + } + _x = x; + return _legend; + }; + + /** + #### .y([value]) + Set or get y coordinate for legend widget. Default: 0. + **/ + _legend.y = function (y) { + if (!arguments.length) { + return _y; + } + _y = y; + return _legend; + }; + + /** + #### .gap([value]) + Set or get gap between legend items. Default: 5. + **/ + _legend.gap = function (gap) { + if (!arguments.length) { + return _gap; + } + _gap = gap; + return _legend; + }; + + /** + #### .itemHeight([value]) + Set or get legend item height. Default: 12. + **/ + _legend.itemHeight = function (h) { + if (!arguments.length) { + return _itemHeight; + } + _itemHeight = h; + return _legend; + }; + + /** + #### .horizontal([boolean]) + Position legend horizontally instead of vertically + **/ + _legend.horizontal = function (_) { + if (!arguments.length) { + return _horizontal; + } + _horizontal = _; + return _legend; + }; + + /** + #### .legendWidth([value]) + Maximum width for horizontal legend. Default: 560. + **/ + _legend.legendWidth = function (_) { + if (!arguments.length) { + return _legendWidth; + } + _legendWidth = _; + return _legend; + }; + + /** + #### .itemWidth([value]) + legendItem width for horizontal legend. Default: 70. + **/ + _legend.itemWidth = function (_) { + if (!arguments.length) { + return _itemWidth; + } + _itemWidth = _; + return _legend; + }; + + return _legend; +}; + +/** +## Scatter Plot +Includes: [Coordinate Grid Mixin](#coordinate-grid-mixin) + +A scatter plot chart +#### dc.scatterPlot(parent[, chartGroup]) +Create a scatter plot instance and attach it to the given parent element. + +Parameters: + +* parent : string | node | selection | compositeChart - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + If the scatter plot is a sub-chart in a [Composite Chart](#composite-chart) then pass in the parent composite + chart instance. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + +Returns: +A newly created scatter plot instance + +```js +// create a scatter plot under #chart-container1 element using the default global chart group +var chart1 = dc.scatterPlot('#chart-container1'); +// create a scatter plot under #chart-container2 element using chart group A +var chart2 = dc.scatterPlot('#chart-container2', 'chartGroupA'); +// create a sub-chart under a composite parent chart +var chart3 = dc.scatterPlot(compositeChart); +``` + + **/ +dc.scatterPlot = function (parent, chartGroup) { + var _chart = dc.coordinateGridMixin({}); + var _symbol = d3.svg.symbol(); + + var _existenceAccessor = function (d) { return d.value; }; + + var originalKeyAccessor = _chart.keyAccessor(); + _chart.keyAccessor(function (d) { return originalKeyAccessor(d)[0]; }); + _chart.valueAccessor(function (d) { return originalKeyAccessor(d)[1]; }); + _chart.colorAccessor(function () { return _chart._groupName; }); + + var _locator = function (d) { + return 'translate(' + _chart.x()(_chart.keyAccessor()(d)) + ',' + + _chart.y()(_chart.valueAccessor()(d)) + ')'; + }; + + var _symbolSize = 3; + var _highlightedSize = 5; + var _hiddenSize = 0; + + _symbol.size(function (d) { + if (!_existenceAccessor(d)) { + return _hiddenSize; + } else if (this.filtered) { + return Math.pow(_highlightedSize, 2); + } else { + return Math.pow(_symbolSize, 2); + } + }); + + dc.override(_chart, '_filter', function (filter) { + if (!arguments.length) { + return _chart.__filter(); + } + + return _chart.__filter(dc.filters.RangedTwoDimensionalFilter(filter)); + }); + + _chart.plotData = function () { + var symbols = _chart.chartBodyG().selectAll('path.symbol') + .data(_chart.data()); + + symbols + .enter() + .append('path') + .attr('class', 'symbol') + .attr('opacity', 0) + .attr('fill', _chart.getColor) + .attr('transform', _locator); + + dc.transition(symbols, _chart.transitionDuration()) + .attr('opacity', function (d) { return _existenceAccessor(d) ? 1 : 0; }) + .attr('fill', _chart.getColor) + .attr('transform', _locator) + .attr('d', _symbol); + + dc.transition(symbols.exit(), _chart.transitionDuration()) + .attr('opacity', 0).remove(); + }; + + /** + #### .existenceAccessor([accessor]) + Get or set the existence accessor. If a point exists, it is drawn with symbolSize radius and + opacity 1; if it does not exist, it is drawn with hiddenSize radius and opacity 0. By default, + the existence accessor checks if the reduced value is truthy. + **/ + + _chart.existenceAccessor = function (acc) { + if (!arguments.length) { + return _existenceAccessor; + } + _existenceAccessor = acc; + return this; + }; + + /** + #### .symbol([type]) + Get or set the symbol type used for each point. By default the symbol is a circle. See the D3 + [docs](https://github.com/mbostock/d3/wiki/SVG-Shapes#wiki-symbol_type) for acceptable types. + Type can be a constant or an accessor. + + **/ + _chart.symbol = function (type) { + if (!arguments.length) { + return _symbol.type(); + } + _symbol.type(type); + return _chart; + }; + + /** + #### .symbolSize([radius]) + Set or get radius for symbols. Default: 3. + + **/ + _chart.symbolSize = function (s) { + if (!arguments.length) { + return _symbolSize; + } + _symbolSize = s; + return _chart; + }; + + /** + #### .highlightedSize([radius]) + Set or get radius for highlighted symbols. Default: 4. + + **/ + _chart.highlightedSize = function (s) { + if (!arguments.length) { + return _highlightedSize; + } + _highlightedSize = s; + return _chart; + }; + + /** + #### .hiddenSize([radius]) + Set or get radius for symbols when the group is empty. Default: 0. + + **/ + _chart.hiddenSize = function (s) { + if (!arguments.length) { + return _hiddenSize; + } + _hiddenSize = s; + return _chart; + }; + + _chart.legendables = function () { + return [{chart: _chart, name: _chart._groupName, color: _chart.getColor()}]; + }; + + _chart.legendHighlight = function (d) { + resizeSymbolsWhere(function (symbol) { + return symbol.attr('fill') === d.color; + }, _highlightedSize); + _chart.selectAll('.chart-body path.symbol').filter(function () { + return d3.select(this).attr('fill') !== d.color; + }).classed('fadeout', true); + }; + + _chart.legendReset = function (d) { + resizeSymbolsWhere(function (symbol) { + return symbol.attr('fill') === d.color; + }, _symbolSize); + _chart.selectAll('.chart-body path.symbol').filter(function () { + return d3.select(this).attr('fill') !== d.color; + }).classed('fadeout', false); + }; + + function resizeSymbolsWhere(condition, size) { + var symbols = _chart.selectAll('.chart-body path.symbol').filter(function () { + return condition(d3.select(this)); + }); + var oldSize = _symbol.size(); + _symbol.size(Math.pow(size, 2)); + dc.transition(symbols, _chart.transitionDuration()).attr('d', _symbol); + _symbol.size(oldSize); + } + + _chart.setHandlePaths = function () { + // no handle paths for poly-brushes + }; + + _chart.extendBrush = function () { + var extent = _chart.brush().extent(); + if (_chart.round()) { + extent[0] = extent[0].map(_chart.round()); + extent[1] = extent[1].map(_chart.round()); + + _chart.g().select('.brush') + .call(_chart.brush().extent(extent)); + } + return extent; + }; + + _chart.brushIsEmpty = function (extent) { + return _chart.brush().empty() || !extent || extent[0][0] >= extent[1][0] || extent[0][1] >= extent[1][1]; + }; + + function resizeFiltered(filter) { + var symbols = _chart.selectAll('.chart-body path.symbol').each(function (d) { + this.filtered = filter && filter.isFiltered(d.key); + }); + + dc.transition(symbols, _chart.transitionDuration()).attr('d', _symbol); + } + + _chart._brushing = function () { + var extent = _chart.extendBrush(); + + _chart.redrawBrush(_chart.g()); + + if (_chart.brushIsEmpty(extent)) { + dc.events.trigger(function () { + _chart.filter(null); + _chart.redrawGroup(); + }); + + resizeFiltered(false); + + } else { + var ranged2DFilter = dc.filters.RangedTwoDimensionalFilter(extent); + dc.events.trigger(function () { + _chart.filter(null); + _chart.filter(ranged2DFilter); + _chart.redrawGroup(); + }, dc.constants.EVENT_DELAY); + + resizeFiltered(ranged2DFilter); + } + }; + + _chart.setBrushY = function (gBrush) { + gBrush.call(_chart.brush().y(_chart.y())); + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** +## Number Display Widget +Includes: [Base Mixin](#base-mixin) + +A display of a single numeric value. + +Examples: + +* [Test Example](http://dc-js.github.io/dc.js/examples/number.html) +#### dc.numberDisplay(parent[, chartGroup]) +Create a Number Display instance and attach it to the given parent element. + +Unlike other charts, you do not need to set a dimension. Instead a group object must be provided and +a valueAccessor that returns a single value. + +Parameters: + +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + The number display widget will only react to filter changes in the chart group. + +Returns: +A newly created number display instance + +```js +// create a number display under #chart-container1 element using the default global chart group +var display1 = dc.numberDisplay('#chart-container1'); +``` + +**/ +dc.numberDisplay = function (parent, chartGroup) { + var SPAN_CLASS = 'number-display'; + var _formatNumber = d3.format('.2s'); + var _chart = dc.baseMixin({}); + var _html = {one:'', some:'', none:''}; + + // dimension not required + _chart._mandatoryAttributes(['group']); + + /** + #### .html([object]) + Gets or sets an optional object specifying HTML templates to use depending on the number + displayed. The text `%number` will be replaced with the current value. + - one: HTML template to use if the number is 1 + - zero: HTML template to use if the number is 0 + - some: HTML template to use otherwise + + ```js + numberWidget.html({ + one:'%number record', + some:'%number records', + none:'no records'}) + ``` + **/ + + _chart.html = function (s) { + if (!arguments.length) { + return _html; + } + if (s.none) { + _html.none = s.none;//if none available + } else if (s.one) { + _html.none = s.one;//if none not available use one + } else if (s.some) { + _html.none = s.some;//if none and one not available use some + } + if (s.one) { + _html.one = s.one;//if one available + } else if (s.some) { + _html.one = s.some;//if one not available use some + } + if (s.some) { + _html.some = s.some;//if some available + } else if (s.one) { + _html.some = s.one;//if some not available use one + } + return _chart; + }; + + /** + #### .value() + Calculate and return the underlying value of the display + **/ + + _chart.value = function () { + return _chart.data(); + }; + + _chart.data(function (group) { + var valObj = group.value ? group.value() : group.top(1)[0]; + return _chart.valueAccessor()(valObj); + }); + + _chart.transitionDuration(250); // good default + + _chart._doRender = function () { + var newValue = _chart.value(), + span = _chart.selectAll('.' + SPAN_CLASS); + + if (span.empty()) { + span = span.data([0]) + .enter() + .append('span') + .attr('class', SPAN_CLASS); + } + + span.transition() + .duration(_chart.transitionDuration()) + .ease('quad-out-in') + .tween('text', function () { + var interp = d3.interpolateNumber(this.lastValue || 0, newValue); + this.lastValue = newValue; + return function (t) { + var html = null, num = _chart.formatNumber()(interp(t)); + if (newValue === 0 && (_html.none !== '')) { + html = _html.none; + } else if (newValue === 1 && (_html.one !== '')) { + html = _html.one; + } else if (_html.some !== '') { + html = _html.some; + } + this.innerHTML = html ? html.replace('%number', num) : num; + }; + }); + }; + + _chart._doRedraw = function () { + return _chart._doRender(); + }; + + /** + #### .formatNumber([formatter]) + Get or set a function to format the value for the display. By default `d3.format('.2s');` is used. + + **/ + _chart.formatNumber = function (_) { + if (!arguments.length) { + return _formatNumber; + } + _formatNumber = _; + return _chart; + }; + + return _chart.anchor(parent, chartGroup); +}; + +/** + ## Heat Map + + Includes: [Color Mixin](#color-mixin), [Margin Mixin](#margin-mixin), [Base Mixin](#base-mixin) + + A heat map is matrix that represents the values of two dimensions of data using colors. + + #### dc.heatMap(parent[, chartGroup]) + Create a heat map instance and attach it to the given parent element. + + Parameters: +* parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) specifying + a dom block element such as a div; or a dom element or d3 selection. + +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + + Returns: + A newly created heat map instance + + ```js + // create a heat map under #chart-container1 element using the default global chart group + var heatMap1 = dc.heatMap('#chart-container1'); + // create a heat map under #chart-container2 element using chart group A + var heatMap2 = dc.heatMap('#chart-container2', 'chartGroupA'); + ``` + + **/ +dc.heatMap = function (parent, chartGroup) { + + var DEFAULT_BORDER_RADIUS = 6.75; + + var _chartBody; + + var _cols; + var _rows; + var _xBorderRadius = DEFAULT_BORDER_RADIUS; + var _yBorderRadius = DEFAULT_BORDER_RADIUS; + + var _chart = dc.colorMixin(dc.marginMixin(dc.baseMixin({}))); + _chart._mandatoryAttributes(['group']); + _chart.title(_chart.colorAccessor()); + + var _xAxisOnClick = function (d) { filterAxis(0, d); }; + var _yAxisOnClick = function (d) { filterAxis(1, d); }; + var _boxOnClick = function (d) { + var filter = d.key; + dc.events.trigger(function () { + _chart.filter(filter); + _chart.redrawGroup(); + }); + }; + + function filterAxis(axis, value) { + var cellsOnAxis = _chart.selectAll('.box-group').filter(function (d) { + return d.key[axis] === value; + }); + var unfilteredCellsOnAxis = cellsOnAxis.filter(function (d) { + return !_chart.hasFilter(d.key); + }); + dc.events.trigger(function () { + if (unfilteredCellsOnAxis.empty()) { + cellsOnAxis.each(function (d) { + _chart.filter(d.key); + }); + } else { + unfilteredCellsOnAxis.each(function (d) { + _chart.filter(d.key); + }); + } + _chart.redrawGroup(); + }); + } + + dc.override(_chart, 'filter', function (filter) { + if (!arguments.length) { + return _chart._filter(); + } + + return _chart._filter(dc.filters.TwoDimensionalFilter(filter)); + }); + + function uniq(d, i, a) { + return !i || a[i - 1] !== d; + } + + /** + #### .rows([values]) + Gets or sets the values used to create the rows of the heatmap, as an array. By default, all + the values will be fetched from the data using the value accessor, and they will be sorted in + ascending order. + **/ + + _chart.rows = function (_) { + if (arguments.length) { + _rows = _; + return _chart; + } + if (_rows) { + return _rows; + } + var rowValues = _chart.data().map(_chart.valueAccessor()); + rowValues.sort(d3.ascending); + return d3.scale.ordinal().domain(rowValues.filter(uniq)); + }; + + /** + #### .cols([keys]) + Gets or sets the keys used to create the columns of the heatmap, as an array. By default, all + the values will be fetched from the data using the key accessor, and they will be sorted in + ascending order. + **/ + _chart.cols = function (_) { + if (arguments.length) { + _cols = _; + return _chart; + } + if (_cols) { + return _cols; + } + var colValues = _chart.data().map(_chart.keyAccessor()); + colValues.sort(d3.ascending); + return d3.scale.ordinal().domain(colValues.filter(uniq)); + }; + + _chart._doRender = function () { + _chart.resetSvg(); + + _chartBody = _chart.svg() + .append('g') + .attr('class', 'heatmap') + .attr('transform', 'translate(' + _chart.margins().left + ',' + _chart.margins().top + ')'); + + return _chart._doRedraw(); + }; + + _chart._doRedraw = function () { + var rows = _chart.rows(), + cols = _chart.cols(), + rowCount = rows.domain().length, + colCount = cols.domain().length, + boxWidth = Math.floor(_chart.effectiveWidth() / colCount), + boxHeight = Math.floor(_chart.effectiveHeight() / rowCount); + + cols.rangeRoundBands([0, _chart.effectiveWidth()]); + rows.rangeRoundBands([_chart.effectiveHeight(), 0]); + + var boxes = _chartBody.selectAll('g.box-group').data(_chart.data(), function (d, i) { + return _chart.keyAccessor()(d, i) + '\0' + _chart.valueAccessor()(d, i); + }); + var gEnter = boxes.enter().append('g') + .attr('class', 'box-group'); + + gEnter.append('rect') + .attr('class', 'heat-box') + .attr('fill', 'white') + .on('click', _chart.boxOnClick()); + + if (_chart.renderTitle()) { + gEnter.append('title') + .text(_chart.title()); + } + + dc.transition(boxes.selectAll('rect'), _chart.transitionDuration()) + .attr('x', function (d, i) { return cols(_chart.keyAccessor()(d, i)); }) + .attr('y', function (d, i) { return rows(_chart.valueAccessor()(d, i)); }) + .attr('rx', _xBorderRadius) + .attr('ry', _yBorderRadius) + .attr('fill', _chart.getColor) + .attr('width', boxWidth) + .attr('height', boxHeight); + + boxes.exit().remove(); + + var gCols = _chartBody.selectAll('g.cols'); + if (gCols.empty()) { + gCols = _chartBody.append('g').attr('class', 'cols axis'); + } + var gColsText = gCols.selectAll('text').data(cols.domain()); + gColsText.enter().append('text') + .attr('x', function (d) { return cols(d) + boxWidth / 2; }) + .style('text-anchor', 'middle') + .attr('y', _chart.effectiveHeight()) + .attr('dy', 12) + .on('click', _chart.xAxisOnClick()) + .text(function (d) { return d; }); + dc.transition(gColsText, _chart.transitionDuration()) + .text(function (d) { return d; }) + .attr('x', function (d) { return cols(d) + boxWidth / 2; }); + gColsText.exit().remove(); + var gRows = _chartBody.selectAll('g.rows'); + if (gRows.empty()) { + gRows = _chartBody.append('g').attr('class', 'rows axis'); + } + var gRowsText = gRows.selectAll('text').data(rows.domain()); + gRowsText.enter().append('text') + .attr('dy', 6) + .style('text-anchor', 'end') + .attr('x', 0) + .attr('dx', -2) + .on('click', _chart.yAxisOnClick()) + .text(function (d) { return d; }); + dc.transition(gRowsText, _chart.transitionDuration()) + .text(function (d) { return d; }) + .attr('y', function (d) { return rows(d) + boxHeight / 2; }); + gRowsText.exit().remove(); + + if (_chart.hasFilter()) { + _chart.selectAll('g.box-group').each(function (d) { + if (_chart.isSelectedNode(d)) { + _chart.highlightSelected(this); + } else { + _chart.fadeDeselected(this); + } + }); + } else { + _chart.selectAll('g.box-group').each(function () { + _chart.resetHighlight(this); + }); + } + return _chart; + }; + /** + #### .boxOnClick([handler]) + Gets or sets the handler that fires when an individual cell is clicked in the heatmap. + By default, filtering of the cell will be toggled. + **/ + _chart.boxOnClick = function (f) { + if (!arguments.length) { + return _boxOnClick; + } + _boxOnClick = f; + return _chart; + }; + + /** + #### .xAxisOnClick([handler]) + Gets or sets the handler that fires when a column tick is clicked in the x axis. + By default, if any cells in the column are unselected, the whole column will be selected, + otherwise the whole column will be unselected. + **/ + _chart.xAxisOnClick = function (f) { + if (!arguments.length) { + return _xAxisOnClick; + } + _xAxisOnClick = f; + return _chart; + }; + + /** + #### .yAxisOnClick([handler]) + Gets or sets the handler that fires when a row tick is clicked in the y axis. + By default, if any cells in the row are unselected, the whole row will be selected, + otherwise the whole row will be unselected. + **/ + _chart.yAxisOnClick = function (f) { + if (!arguments.length) { + return _yAxisOnClick; + } + _yAxisOnClick = f; + return _chart; + }; + + /** + #### .xBorderRadius([value]) + Gets or sets the X border radius. Set to 0 to get full rectangles. Default: 6.75 + */ + _chart.xBorderRadius = function (d) { + if (!arguments.length) { + return _xBorderRadius; + } + _xBorderRadius = d; + return _chart; + }; + + /** + #### .xBorderRadius([value]) + Gets or sets the Y border radius. Set to 0 to get full rectangles. Default: 6.75 + */ + _chart.yBorderRadius = function (d) { + if (!arguments.length) { + return _yBorderRadius; + } + _yBorderRadius = d; + return _chart; + }; + + _chart.isSelectedNode = function (d) { + return _chart.hasFilter(d.key); + }; + + return _chart.anchor(parent, chartGroup); +}; + +// https://github.com/d3/d3-plugins/blob/master/box/box.js +(function () { + + // Inspired by http://informationandvisualization.de/blog/box-plot + d3.box = function () { + var width = 1, + height = 1, + duration = 0, + domain = null, + value = Number, + whiskers = boxWhiskers, + quartiles = boxQuartiles, + tickFormat = null; + + // For each small multiple… + function box(g) { + g.each(function (d, i) { + d = d.map(value).sort(d3.ascending); + var g = d3.select(this), + n = d.length, + min = d[0], + max = d[n - 1]; + + // Compute quartiles. Must return exactly 3 elements. + var quartileData = d.quartiles = quartiles(d); + + // Compute whiskers. Must return exactly 2 elements, or null. + var whiskerIndices = whiskers && whiskers.call(this, d, i), + whiskerData = whiskerIndices && whiskerIndices.map(function (i) { return d[i]; }); + + // Compute outliers. If no whiskers are specified, all data are 'outliers'. + // We compute the outliers as indices, so that we can join across transitions! + var outlierIndices = whiskerIndices ? + d3.range(0, whiskerIndices[0]).concat(d3.range(whiskerIndices[1] + 1, n)) : d3.range(n); + + // Compute the new x-scale. + var x1 = d3.scale.linear() + .domain(domain && domain.call(this, d, i) || [min, max]) + .range([height, 0]); + + // Retrieve the old x-scale, if this is an update. + var x0 = this.__chart__ || d3.scale.linear() + .domain([0, Infinity]) + .range(x1.range()); + + // Stash the new scale. + this.__chart__ = x1; + + // Note: the box, median, and box tick elements are fixed in number, + // so we only have to handle enter and update. In contrast, the outliers + // and other elements are variable, so we need to exit them! Variable + // elements also fade in and out. + + // Update center line: the vertical line spanning the whiskers. + var center = g.selectAll('line.center') + .data(whiskerData ? [whiskerData] : []); + + center.enter().insert('line', 'rect') + .attr('class', 'center') + .attr('x1', width / 2) + .attr('y1', function (d) { return x0(d[0]); }) + .attr('x2', width / 2) + .attr('y2', function (d) { return x0(d[1]); }) + .style('opacity', 1e-6) + .transition() + .duration(duration) + .style('opacity', 1) + .attr('y1', function (d) { return x1(d[0]); }) + .attr('y2', function (d) { return x1(d[1]); }); + + center.transition() + .duration(duration) + .style('opacity', 1) + .attr('y1', function (d) { return x1(d[0]); }) + .attr('y2', function (d) { return x1(d[1]); }); + + center.exit().transition() + .duration(duration) + .style('opacity', 1e-6) + .attr('y1', function (d) { return x1(d[0]); }) + .attr('y2', function (d) { return x1(d[1]); }) + .remove(); + + // Update innerquartile box. + var box = g.selectAll('rect.box') + .data([quartileData]); + + box.enter().append('rect') + .attr('class', 'box') + .attr('x', 0) + .attr('y', function (d) { return x0(d[2]); }) + .attr('width', width) + .attr('height', function (d) { return x0(d[0]) - x0(d[2]); }) + .transition() + .duration(duration) + .attr('y', function (d) { return x1(d[2]); }) + .attr('height', function (d) { return x1(d[0]) - x1(d[2]); }); + + box.transition() + .duration(duration) + .attr('y', function (d) { return x1(d[2]); }) + .attr('height', function (d) { return x1(d[0]) - x1(d[2]); }); + + // Update median line. + var medianLine = g.selectAll('line.median') + .data([quartileData[1]]); + + medianLine.enter().append('line') + .attr('class', 'median') + .attr('x1', 0) + .attr('y1', x0) + .attr('x2', width) + .attr('y2', x0) + .transition() + .duration(duration) + .attr('y1', x1) + .attr('y2', x1); + + medianLine.transition() + .duration(duration) + .attr('y1', x1) + .attr('y2', x1); + + // Update whiskers. + var whisker = g.selectAll('line.whisker') + .data(whiskerData || []); + + whisker.enter().insert('line', 'circle, text') + .attr('class', 'whisker') + .attr('x1', 0) + .attr('y1', x0) + .attr('x2', width) + .attr('y2', x0) + .style('opacity', 1e-6) + .transition() + .duration(duration) + .attr('y1', x1) + .attr('y2', x1) + .style('opacity', 1); + + whisker.transition() + .duration(duration) + .attr('y1', x1) + .attr('y2', x1) + .style('opacity', 1); + + whisker.exit().transition() + .duration(duration) + .attr('y1', x1) + .attr('y2', x1) + .style('opacity', 1e-6) + .remove(); + + // Update outliers. + var outlier = g.selectAll('circle.outlier') + .data(outlierIndices, Number); + + outlier.enter().insert('circle', 'text') + .attr('class', 'outlier') + .attr('r', 5) + .attr('cx', width / 2) + .attr('cy', function (i) { return x0(d[i]); }) + .style('opacity', 1e-6) + .transition() + .duration(duration) + .attr('cy', function (i) { return x1(d[i]); }) + .style('opacity', 1); + + outlier.transition() + .duration(duration) + .attr('cy', function (i) { return x1(d[i]); }) + .style('opacity', 1); + + outlier.exit().transition() + .duration(duration) + .attr('cy', function (i) { return x1(d[i]); }) + .style('opacity', 1e-6) + .remove(); + + // Compute the tick format. + var format = tickFormat || x1.tickFormat(8); + + // Update box ticks. + var boxTick = g.selectAll('text.box') + .data(quartileData); + + boxTick.enter().append('text') + .attr('class', 'box') + .attr('dy', '.3em') + .attr('dx', function (d, i) { return i & 1 ? 6 : -6; }) + .attr('x', function (d, i) { return i & 1 ? width : 0; }) + .attr('y', x0) + .attr('text-anchor', function (d, i) { return i & 1 ? 'start' : 'end'; }) + .text(format) + .transition() + .duration(duration) + .attr('y', x1); + + boxTick.transition() + .duration(duration) + .text(format) + .attr('y', x1); + + // Update whisker ticks. These are handled separately from the box + // ticks because they may or may not exist, and we want don't want + // to join box ticks pre-transition with whisker ticks post-. + var whiskerTick = g.selectAll('text.whisker') + .data(whiskerData || []); + + whiskerTick.enter().append('text') + .attr('class', 'whisker') + .attr('dy', '.3em') + .attr('dx', 6) + .attr('x', width) + .attr('y', x0) + .text(format) + .style('opacity', 1e-6) + .transition() + .duration(duration) + .attr('y', x1) + .style('opacity', 1); + + whiskerTick.transition() + .duration(duration) + .text(format) + .attr('y', x1) + .style('opacity', 1); + + whiskerTick.exit().transition() + .duration(duration) + .attr('y', x1) + .style('opacity', 1e-6) + .remove(); + }); + d3.timer.flush(); + } + + box.width = function (x) { + if (!arguments.length) { + return width; + } + width = x; + return box; + }; + + box.height = function (x) { + if (!arguments.length) { + return height; + } + height = x; + return box; + }; + + box.tickFormat = function (x) { + if (!arguments.length) { + return tickFormat; + } + tickFormat = x; + return box; + }; + + box.duration = function (x) { + if (!arguments.length) { + return duration; + } + duration = x; + return box; + }; + + box.domain = function (x) { + if (!arguments.length) { + return domain; + } + domain = x === null ? x : d3.functor(x); + return box; + }; + + box.value = function (x) { + if (!arguments.length) { + return value; + } + value = x; + return box; + }; + + box.whiskers = function (x) { + if (!arguments.length) { + return whiskers; + } + whiskers = x; + return box; + }; + + box.quartiles = function (x) { + if (!arguments.length) { + return quartiles; + } + quartiles = x; + return box; + }; + + return box; + }; + + function boxWhiskers(d) { + return [0, d.length - 1]; + } + + function boxQuartiles(d) { + return [ + d3.quantile(d, 0.25), + d3.quantile(d, 0.5), + d3.quantile(d, 0.75) + ]; + } + +})(); + +/** + ## Box Plot + + Includes: [Coordinate Grid Mixin](#coordinate-grid-mixin) + + A box plot is a chart that depicts numerical data via their quartile ranges. + + #### dc.boxPlot(parent[, chartGroup]) + Create a box plot instance and attach it to the given parent element. + + Parameters: + * parent : string | node | selection - any valid + [d3 single selector](https://github.com/mbostock/d3/wiki/Selections#selecting-elements) representing + a dom block element such as a div; or a dom element or d3 selection. +* chartGroup : string (optional) - name of the chart group this chart instance should be placed in. + Interaction with a chart will only trigger events and redraws within the chart's group. + + Returns: + A newly created box plot instance + + ```js + // create a box plot under #chart-container1 element using the default global chart group + var boxPlot1 = dc.boxPlot('#chart-container1'); + // create a box plot under #chart-container2 element using chart group A + var boxPlot2 = dc.boxPlot('#chart-container2', 'chartGroupA'); + ``` + + **/ +dc.boxPlot = function (parent, chartGroup) { + var _chart = dc.coordinateGridMixin({}); + + // Returns a function to compute the interquartile range. + function DEFAULT_WHISKERS_IQR (k) { + return function (d) { + var q1 = d.quartiles[0], + q3 = d.quartiles[2], + iqr = (q3 - q1) * k, + i = -1, + j = d.length; + /*jshint -W116*/ + /*jshint -W035*/ + while (d[++i] < q1 - iqr) {} + while (d[--j] > q3 + iqr) {} + /*jshint +W116*/ + return [i, j]; + /*jshint +W035*/ + }; + } + + var _whiskerIqrFactor = 1.5; + var _whiskersIqr = DEFAULT_WHISKERS_IQR; + var _whiskers = _whiskersIqr(_whiskerIqrFactor); + + var _box = d3.box(); + var _tickFormat = null; + + var _boxWidth = function (innerChartWidth, xUnits) { + if (_chart.isOrdinal()) { + return _chart.x().rangeBand(); + } else { + return innerChartWidth / (1 + _chart.boxPadding()) / xUnits; + } + }; + + // default padding to handle min/max whisker text + _chart.yAxisPadding(12); + + // default to ordinal + _chart.x(d3.scale.ordinal()); + _chart.xUnits(dc.units.ordinal); + + // valueAccessor should return an array of values that can be coerced into numbers + // or if data is overloaded for a static array of arrays, it should be `Number`. + // Empty arrays are not included. + _chart.data(function (group) { + return group.all().map(function (d) { + d.map = function (accessor) { return accessor.call(d, d); }; + return d; + }).filter(function (d) { + var values = _chart.valueAccessor()(d); + return values.length !== 0; + }); + }); + + /** + #### .boxPadding([padding]) + Get or set the spacing between boxes as a fraction of box size. Valid values are within 0-1. + See the [d3 docs](https://github.com/mbostock/d3/wiki/Ordinal-Scales#wiki-ordinal_rangeBands) + for a visual description of how the padding is applied. + + Default: 0.8 + **/ + _chart.boxPadding = _chart._rangeBandPadding; + _chart.boxPadding(0.8); + + /** + #### .outerPadding([padding]) + Get or set the outer padding on an ordinal box chart. This setting has no effect on non-ordinal charts + or on charts with a custom `.boxWidth`. Will pad the width by `padding * barWidth` on each side of the chart. + + Default: 0.5 + **/ + _chart.outerPadding = _chart._outerRangeBandPadding; + _chart.outerPadding(0.5); + + /** + #### .boxWidth(width || function(innerChartWidth, xUnits) { ... }) + Get or set the numerical width of the boxplot box. The width may also be a function taking as + parameters the chart width excluding the right and left margins, as well as the number of x + units. + **/ + _chart.boxWidth = function (_) { + if (!arguments.length) { + return _boxWidth; + } + _boxWidth = d3.functor(_); + return _chart; + }; + + var boxTransform = function (d, i) { + var xOffset = _chart.x()(_chart.keyAccessor()(d, i)); + return 'translate(' + xOffset + ', 0)'; + }; + + _chart._preprocessData = function () { + if (_chart.elasticX()) { + _chart.x().domain([]); + } + }; + + _chart.plotData = function () { + var _calculatedBoxWidth = _boxWidth(_chart.effectiveWidth(), _chart.xUnitCount()); + + _box.whiskers(_whiskers) + .width(_calculatedBoxWidth) + .height(_chart.effectiveHeight()) + .value(_chart.valueAccessor()) + .domain(_chart.y().domain()) + .duration(_chart.transitionDuration()) + .tickFormat(_tickFormat); + + var boxesG = _chart.chartBodyG().selectAll('g.box').data(_chart.data(), function (d) { return d.key; }); + + renderBoxes(boxesG); + updateBoxes(boxesG); + removeBoxes(boxesG); + + _chart.fadeDeselectedArea(); + }; + + function renderBoxes(boxesG) { + var boxesGEnter = boxesG.enter().append('g'); + + boxesGEnter + .attr('class', 'box') + .attr('transform', boxTransform) + .call(_box) + .on('click', function (d) { + _chart.filter(d.key); + _chart.redrawGroup(); + }); + } + + function updateBoxes(boxesG) { + dc.transition(boxesG, _chart.transitionDuration()) + .attr('transform', boxTransform) + .call(_box) + .each(function () { + d3.select(this).select('rect.box').attr('fill', _chart.getColor); + }); + } + + function removeBoxes(boxesG) { + boxesG.exit().remove().call(_box); + } + + _chart.fadeDeselectedArea = function () { + if (_chart.hasFilter()) { + _chart.g().selectAll('g.box').each(function (d) { + if (_chart.isSelectedNode(d)) { + _chart.highlightSelected(this); + } else { + _chart.fadeDeselected(this); + } + }); + } else { + _chart.g().selectAll('g.box').each(function () { + _chart.resetHighlight(this); + }); + } + }; + + _chart.isSelectedNode = function (d) { + return _chart.hasFilter(d.key); + }; + + _chart.yAxisMin = function () { + var min = d3.min(_chart.data(), function (e) { + return d3.min(_chart.valueAccessor()(e)); + }); + return dc.utils.subtract(min, _chart.yAxisPadding()); + }; + + _chart.yAxisMax = function () { + var max = d3.max(_chart.data(), function (e) { + return d3.max(_chart.valueAccessor()(e)); + }); + return dc.utils.add(max, _chart.yAxisPadding()); + }; + + /** + #### .tickFormat() + Set the numerical format of the boxplot median, whiskers and quartile labels. Defaults to + integer formatting. + ```js + // format ticks to 2 decimal places + chart.tickFormat(d3.format('.2f')); + ``` + **/ + _chart.tickFormat = function (x) { + if (!arguments.length) { + return _tickFormat; + } + _tickFormat = x; + return _chart; + }; + + return _chart.anchor(parent, chartGroup); +}; + +// Renamed functions + +dc.abstractBubbleChart = dc.bubbleMixin; +dc.baseChart = dc.baseMixin; +dc.capped = dc.capMixin; +dc.colorChart = dc.colorMixin; +dc.coordinateGridChart = dc.coordinateGridMixin; +dc.marginable = dc.marginMixin; +dc.stackableChart = dc.stackMixin; + +// Expose d3 and crossfilter, so that clients in browserify +// case can obtain them if they need them. +dc.d3 = d3; +dc.crossfilter = crossfilter; + +return dc;} + if(typeof define === "function" && define.amd) { + define(["d3", "crossfilter"], _dc); + } else if(typeof module === "object" && module.exports) { + var _d3 = require('d3'); + var _crossfilter = require('crossfilter'); + // When using npm + browserify, 'crossfilter' is a function, + // since package.json specifies index.js as main function, and it + // does special handling. When using bower + browserify, + // there's no main in bower.json (in fact, there's no bower.json), + // so we need to fix it. + if (typeof _crossfilter !== "function") { + _crossfilter = _crossfilter.crossfilter; + } + module.exports = _dc(_d3, _crossfilter); + } else { + this.dc = _dc(d3, crossfilter); + } +} +)(); +</script> + +<script type="text/javascript"> + +// ### Create Chart Objects +// Create chart objects assocated with the container elements identified by the css selector. +// Note: It is often a good idea to have these objects accessible at the global scope so that they can be modified or +// filtered by other page controls. +var ringCountChart = dc.barChart("#chart-bar-ring"), + pdbCountChart = dc.rowChart("#chart-row-pdb"); + +//### Load your data +//Data can be loaded through regular means with your +//favorite javascript library +// +//```javascript +//d3.csv('data.csv', function(data) {...}; +//d3.json('data.json', function(data) {...}; +//jQuery.getJson('data.json', function(data){...}); +//``` +//d3.json('pucker_table2.json', function(error,data) { + +var data = [ + { + "contextconformer": "C4A|C|C1A", + "resname": "CTR", + "resid": 211, + "chain": "A", + "pdbid": "example-pdb-4ENG", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-35.39", + "-38.18", + "-30.29" + ], + "conformer": "4C1", + "ringorder": [ + "C3A", + "C4A", + "C5A", + "O5A", + "C1A", + "C2A" + ] + }, + { + "contextconformer": "C4B|C|C1B", + "resname": "CTR", + "resid": 211, + "chain": "A", + "pdbid": "example-pdb-4ENG", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-36.82", + "-37.04", + "-29.22" + ], + "conformer": "4C1", + "ringorder": [ + "C3B", + "C4B", + "C5B", + "O5B", + "C1B", + "C2B" + ] + }, + { + "contextconformer": "C4C|C|C1C", + "resname": "CTR", + "resid": 211, + "chain": "A", + "pdbid": "example-pdb-4ENG", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-31.42", + "-41.33", + "-32.69" + ], + "conformer": "4C1", + "ringorder": [ + "C3C", + "C4C", + "C5C", + "O5C", + "C1C", + "C2C" + ] + }, + { + "contextconformer": "C4A|C|C1A", + "resname": "CTR", + "resid": 212, + "chain": "A", + "pdbid": "example-pdb-4ENG", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-33.97", + "-37.84", + "-32.04" + ], + "conformer": "4C1", + "ringorder": [ + "C3A", + "C4A", + "C5A", + "O5A", + "C1A", + "C2A" + ] + }, + { + "contextconformer": "C4B|C|C1B", + "resname": "CTR", + "resid": 212, + "chain": "A", + "pdbid": "example-pdb-4ENG", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-23.66", + "-39.91", + "-37.59" + ], + "conformer": "4C1", + "ringorder": [ + "C3B", + "C4B", + "C5B", + "O5B", + "C1B", + "C2B" + ] + }, + { + "contextconformer": "C2C|H|C1C", + "resname": "CTR", + "resid": 212, + "chain": "A", + "pdbid": "example-pdb-4ENG", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-27.59", + "-47.95", + "-31.47" + ], + "conformer": "2H1", + "ringorder": [ + "C3C", + "C4C", + "C5C", + "O5C", + "C1C", + "C2C" + ] + }, + { + "contextconformer": "C46|E|", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 6, + "origconformer": "4E", + "puckercoords": [ + "-49.01", + "43.18", + "-58.10" + ], + "conformer": "4E", + "ringorder": [ + "C36", + "C46", + "C56", + "O56", + "C16", + "C26" + ] + }, + { + "contextconformer": "C15C45|B|", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 6, + "origconformer": "14B", + "puckercoords": [ + "-49.88", + "60.71", + "-25.47" + ], + "conformer": "14B", + "ringorder": [ + "C35", + "C45", + "C55", + "O55", + "C15", + "C25" + ] + }, + { + "contextconformer": "C14|S|C54", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 6, + "origconformer": "1S5", + "puckercoords": [ + "-55.88", + "47.15", + "-31.89" + ], + "conformer": "1S5", + "ringorder": [ + "C34", + "C44", + "C54", + "O54", + "C14", + "C24" + ] + }, + { + "contextconformer": "C13|S|C33", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 6, + "origconformer": "1S3", + "puckercoords": [ + "-12.03", + "67.62", + "-53.26" + ], + "conformer": "1S3", + "ringorder": [ + "C33", + "C43", + "C53", + "O53", + "C13", + "C23" + ] + }, + { + "contextconformer": "C12|S|C52", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 6, + "origconformer": "1S5", + "puckercoords": [ + "-64.39", + "43.65", + "-5.11" + ], + "conformer": "1S5", + "ringorder": [ + "C32", + "C42", + "C52", + "O52", + "C12", + "C22" + ] + }, + { + "contextconformer": "C47|C|C17", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-30.55", + "-33.09", + "-47.08" + ], + "conformer": "4C1", + "ringorder": [ + "C37", + "C47", + "C57", + "O57", + "C17", + "C27" + ] + }, + { + "contextconformer": "C41|H|C51", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-55.66", + "-17.72", + "-25.25" + ], + "conformer": "4H5", + "ringorder": [ + "C31", + "C41", + "C51", + "O51", + "C11", + "C21" + ] + }, + { + "contextconformer": "TS3", + "resname": "BCD", + "resid": 1403, + "chain": "A", + "pdbid": "bcd.pdb", + "ringsize": 7, + "origconformer": "TS3", + "puckercoords": [ + "14.00", + "-12.28", + "4.84", + "15.42" + ], + "conformer": "TS3", + "ringorder": [ + "C11C21C31C41C51O51", + "C12C22C32C42C52O52", + "C13C23C33C43C53O53", + "C14C24C34C44C54O54", + "C15C25C35C45C55O55", + "C16C26C36C46C56O56", + "C17C27C37C47C57O57" + ] + }, + { + "contextconformer": "C4'|C|C1'", + "resname": "MAL", + "resid": 687, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-36.73", + "-32.29", + "-29.30" + ], + "conformer": "4C1", + "ringorder": [ + "C3'", + "C4'", + "C5'", + "O5'", + "C1'", + "C2'" + ] + }, + { + "contextconformer": "C4|C|C1", + "resname": "MAL", + "resid": 687, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-32.33", + "-31.02", + "-30.31" + ], + "conformer": "4C1", + "ringorder": [ + "C3", + "C4", + "C5", + "O5", + "C1", + "C2" + ] + }, + { + "contextconformer": "C2D|H|C3D", + "resname": "ACX", + "resid": 688, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-21.97", + "-31.68", + "-34.65" + ], + "conformer": "2H3", + "ringorder": [ + "C3D", + "C4D", + "C5D", + "O5D", + "C1D", + "C2D" + ] + }, + { + "contextconformer": "C2E|H|C3E", + "resname": "ACX", + "resid": 688, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-17.75", + "-34.68", + "-37.57" + ], + "conformer": "2H3", + "ringorder": [ + "C3E", + "C4E", + "C5E", + "O5E", + "C1E", + "C2E" + ] + }, + { + "contextconformer": "C4B|C|C1B", + "resname": "ACX", + "resid": 688, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-34.55", + "-37.81", + "-29.07" + ], + "conformer": "4C1", + "ringorder": [ + "C3B", + "C4B", + "C5B", + "O5B", + "C1B", + "C2B" + ] + }, + { + "contextconformer": "C4A|C|C1A", + "resname": "ACX", + "resid": 688, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-35.62", + "-28.65", + "-33.39" + ], + "conformer": "4C1", + "ringorder": [ + "C3A", + "C4A", + "C5A", + "O5A", + "C1A", + "C2A" + ] + }, + { + "contextconformer": "C4C|C|C1C", + "resname": "ACX", + "resid": 688, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-26.33", + "-39.11", + "-29.79" + ], + "conformer": "4C1", + "ringorder": [ + "C3C", + "C4C", + "C5C", + "O5C", + "C1C", + "C2C" + ] + }, + { + "contextconformer": "C2F|H|C1F", + "resname": "ACX", + "resid": 688, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-23.27", + "-39.92", + "-32.61" + ], + "conformer": "2H1", + "ringorder": [ + "C3F", + "C4F", + "C5F", + "O5F", + "C1F", + "C2F" + ] + }, + { + "contextconformer": "|P|", + "resname": "ACX", + "resid": 688, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "P", + "puckercoords": [ + "-1.21", + "0.16", + "9.59" + ], + "conformer": "P", + "ringorder": [ + "C1AC2AC3AC4AC5AO5A", + "C1BC2BC3BC4BC5BO5B", + "C1CC2CC3CC4CC5CO5C", + "C1DC2DC3DC4DC5DO5D", + "C1EC2EC3EC4EC5EO5E", + "C1FC2FC3FC4FC5FO5F" + ] + }, + { + "contextconformer": "C4D|C|C1D", + "resname": "ACX", + "resid": 689, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-28.16", + "-33.78", + "-36.69" + ], + "conformer": "4C1", + "ringorder": [ + "C3D", + "C4D", + "C5D", + "O5D", + "C1D", + "C2D" + ] + }, + { + "contextconformer": "C4E|C|C1E", + "resname": "ACX", + "resid": 689, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-30.39", + "-39.03", + "-31.50" + ], + "conformer": "4C1", + "ringorder": [ + "C3E", + "C4E", + "C5E", + "O5E", + "C1E", + "C2E" + ] + }, + { + "contextconformer": "O5B|H|C1B", + "resname": "ACX", + "resid": 689, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-30.40", + "-41.45", + "-24.24" + ], + "conformer": "6H1", + "ringorder": [ + "C3B", + "C4B", + "C5B", + "O5B", + "C1B", + "C2B" + ] + }, + { + "contextconformer": "C2A|H|C1A", + "resname": "ACX", + "resid": 689, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-21.99", + "-38.95", + "-30.36" + ], + "conformer": "2H1", + "ringorder": [ + "C3A", + "C4A", + "C5A", + "O5A", + "C1A", + "C2A" + ] + }, + { + "contextconformer": "C4C|C|C1C", + "resname": "ACX", + "resid": 689, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-26.53", + "-42.79", + "-33.89" + ], + "conformer": "4C1", + "ringorder": [ + "C3C", + "C4C", + "C5C", + "O5C", + "C1C", + "C2C" + ] + }, + { + "contextconformer": "C2F|H|C1F", + "resname": "ACX", + "resid": 689, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-21.92", + "-42.21", + "-25.15" + ], + "conformer": "2H1", + "ringorder": [ + "C3F", + "C4F", + "C5F", + "O5F", + "C1F", + "C2F" + ] + }, + { + "contextconformer": "|P|", + "resname": "ACX", + "resid": 689, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "P", + "puckercoords": [ + "6.61", + "-6.67", + "13.64" + ], + "conformer": "P", + "ringorder": [ + "C1AC2AC3AC4AC5AO5A", + "C1BC2BC3BC4BC5BO5B", + "C1CC2CC3CC4CC5CO5C", + "C1DC2DC3DC4DC5DO5D", + "C1EC2EC3EC4EC5EO5E", + "C1FC2FC3FC4FC5FO5F" + ] + }, + { + "contextconformer": "C2|H|C3", + "resname": "GLC", + "resid": 692, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-21.92", + "-23.11", + "-39.86" + ], + "conformer": "2H3", + "ringorder": [ + "C3", + "C4", + "C5", + "O5", + "C1", + "C2" + ] + }, + { + "contextconformer": "C2|H|C3", + "resname": "GLC", + "resid": 693, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-23.21", + "-27.35", + "-45.33" + ], + "conformer": "2H3", + "ringorder": [ + "C3", + "C4", + "C5", + "O5", + "C1", + "C2" + ] + }, + { + "contextconformer": "C4|H|C5", + "resname": "GLC", + "resid": 694, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-35.13", + "-19.34", + "-33.50" + ], + "conformer": "4H5", + "ringorder": [ + "C3", + "C4", + "C5", + "O5", + "C1", + "C2" + ] + }, + { + "contextconformer": "C4|C|C1", + "resname": "GLC", + "resid": 695, + "chain": "A", + "pdbid": "1CXF.pdb", + "ringsize": 6, + "origconformer": "4C1", + "puckercoords": [ + "-35.92", + "-25.59", + "-39.09" + ], + "conformer": "4C1", + "ringorder": [ + "C3", + "C4", + "C5", + "O5", + "C1", + "C2" + ] + } +] + +console.log('data :' + data); +// data.forEach(function(d) { +// d.pdbid = d.pdbid; +// d.resname = d.resname; +// d.conformer = d.conformer; +// +// }); + //### Create Crossfilter Dimensions and Groups + //See the [crossfilter API](https://github.com/square/crossfilter/wiki/API-Reference) for reference. + var ndx = crossfilter(data); + //var all = ndx.groupAll(); + + + // dimension by ring + var ringDim = ndx.dimension(function (d) { + return d.ringsize; + }); + // dimension by pdb + var pdbDim = ndx.dimension(function (d) { + return d.pdbid; + }); + + +// countperPDB = pdbDim.group().reduceSum(function(d) {return +d.Spent;}), +// countperRes = resnameDim.group().reduceSum(function(d) {return +d.Spent;}), +// countperPDB = pdbDim.group().reduceSum(function(d) {return d.ringsize;}), +// countperRes = resnameDim.group().reduceSum(function(d) {return d.ringsize;}); + countperRing = ringDim.group().reduceCount(), + countperPDB = pdbDim.group().reduceCount(), + //countperPDB = pdbDim.group().reduceSum(function(d) {return d.ringsize;}); + + //### Define Chart Attributes + //Define chart attributes using fluent methods. See the + // [dc API Reference](https://github.com/dc-js/dc.js/blob/master/web/docs/api-latest.md) for more information + // + +ringCountChart + .width(350).height(200) + .dimension(ringDim) + .group(countperRing) + .x(d3.scale.linear().domain([0,10])) + .elasticY(true); +ringCountChart.xAxis().tickFormat(function(d) {return d}); // convert back to base unit +ringCountChart.yAxis().ticks(2); + + +pdbCountChart + .width(350).height(200) + .dimension(pdbDim) + .group(countperPDB) + .elasticX(true); + + + + +dc.renderAll(); +//}); // END d3 json data load + +</script> + +</body> +</html> +""" + out.write(output) + + except Exception as e: + raise e + finally: + out.close() +